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Finding the Third Proportional to 387,000.56 and 569,125.69

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Solution

The third proportional to 387,000.56 and 569,125.69 is: 836,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,000.56 : 569,125.69 = 569,125.69 : x
  2. Step 2: Convert to fraction form
    387,000.56/569,125.69 = 569,125.69/x
  3. Step 3: Cross multiply
    387,000.56x = 569,125.69 × 569,125.69
  4. Step 4: Simplify right side
    387,000.56x = 323,904,048,172.35
  5. Step 5: Solve for x
    x = 323,904,048,172.35/387,000.56
  6. Step 6: Final answer
    x = 836,960.15

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.