Finding the Third Proportional to 18,988,074 and 29,420,331
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Solution
The third proportional to 18,988,074 and 29,420,331 is: 45,584,184.90
Step by Step Solution
- Step 1: Write the proportion equation
18,988,074 : 29,420,331 = 29,420,331 : x - Step 2: Convert to fraction form
18,988,074/29,420,331 = 29,420,331/x - Step 3: Cross multiply
18,988,074x = 29,420,331 × 29,420,331 - Step 4: Simplify right side
18,988,074x = 865,555,876,149,561 - Step 5: Solve for x
x = 865,555,876,149,561/18,988,074 - Step 6: Final answer
x = 45,584,184.90
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.