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Finding the Third Proportional to 129,632 and 279,496

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Solution

The third proportional to 129,632 and 279,496 is: 602,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,632 : 279,496 = 279,496 : x
  2. Step 2: Convert to fraction form
    129,632/279,496 = 279,496/x
  3. Step 3: Cross multiply
    129,632x = 279,496 × 279,496
  4. Step 4: Simplify right side
    129,632x = 78,118,014,016
  5. Step 5: Solve for x
    x = 78,118,014,016/129,632
  6. Step 6: Final answer
    x = 602,613.66

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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.