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Finding the Third Proportional to 415,369.50 and 622,363.50

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Solution

The third proportional to 415,369.50 and 622,363.50 is: 932,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,369.50 : 622,363.50 = 622,363.50 : x
  2. Step 2: Convert to fraction form
    415,369.50/622,363.50 = 622,363.50/x
  3. Step 3: Cross multiply
    415,369.50x = 622,363.50 × 622,363.50
  4. Step 4: Simplify right side
    415,369.50x = 387,336,326,132.25
  5. Step 5: Solve for x
    x = 387,336,326,132.25/415,369.50
  6. Step 6: Final answer
    x = 932,510.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.