Using Microsoft Excel’s What-If Analysis/Goal Seek tool …

The 30.2 Million (M) figure for Malaysia’s population is used to match with Malaysia’s 30.2 thousand (K) pilgrim quota. The current wait (as of 2019) is about 106 years:

Calculation

(3.2 million TH depositors on the waitlist)/30.2K Pilgrim Quota = 106 years

Goal Seek Process

Using Microsoft Excel’s What-If/Goal Seek analysis tool to identify the pilgrim quota that will reduce the wait to 65 years (subject to the “assumed constant” assumptions).

Goal Seek Solution.

The solution pilgrim quota then can be used to calculate the solution “Muslim %”

Visual Representation

Spreadsheet Availability

Do-It-Yourself: Recreating the Spreadsheet

See here if you wish to recreate the work/calculations to verify its solution

https://muskumusk.wordpress.com/2019/10/29/diy-self-verification-of-reducing-the-waitlist-from-106-years-to-65-years/