Finding the Third Proportional to 636,331 and 1,372,291
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Solution
The third proportional to 636,331 and 1,372,291 is: 2,959,438.70
Step by Step Solution
- Step 1: Write the proportion equation
636,331 : 1,372,291 = 1,372,291 : x - Step 2: Convert to fraction form
636,331/1,372,291 = 1,372,291/x - Step 3: Cross multiply
636,331x = 1,372,291 × 1,372,291 - Step 4: Simplify right side
636,331x = 1,883,182,588,681 - Step 5: Solve for x
x = 1,883,182,588,681/636,331 - Step 6: Final answer
x = 2,959,438.70
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.