Finding the Third Proportional to 21,163,774 and 29,803,398
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Solution
The third proportional to 21,163,774 and 29,803,398 is: 41,969,949.80
Step by Step Solution
- Step 1: Write the proportion equation
21,163,774 : 29,803,398 = 29,803,398 : x - Step 2: Convert to fraction form
21,163,774/29,803,398 = 29,803,398/x - Step 3: Cross multiply
21,163,774x = 29,803,398 × 29,803,398 - Step 4: Simplify right side
21,163,774x = 888,242,532,346,404 - Step 5: Solve for x
x = 888,242,532,346,404/21,163,774 - Step 6: Final answer
x = 41,969,949.80
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.