Finding the Third Proportional to 202,221,871 and 435,682,561
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Solution
The third proportional to 202,221,871 and 435,682,561 is: 938,668,468.55
Step by Step Solution
- Step 1: Write the proportion equation
202,221,871 : 435,682,561 = 435,682,561 : x - Step 2: Convert to fraction form
202,221,871/435,682,561 = 435,682,561/x - Step 3: Cross multiply
202,221,871x = 435,682,561 × 435,682,561 - Step 4: Simplify right side
202,221,871x = 189,819,293,959,518,720 - Step 5: Solve for x
x = 189,819,293,959,518,720/202,221,871 - Step 6: Final answer
x = 938,668,468.55
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.