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Finding the Third Proportional to 239,313 and 518,250

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Solution

The third proportional to 239,313 and 518,250 is: 1,122,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,313 : 518,250 = 518,250 : x
  2. Step 2: Convert to fraction form
    239,313/518,250 = 518,250/x
  3. Step 3: Cross multiply
    239,313x = 518,250 × 518,250
  4. Step 4: Simplify right side
    239,313x = 268,583,062,500
  5. Step 5: Solve for x
    x = 268,583,062,500/239,313
  6. Step 6: Final answer
    x = 1,122,308.70

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.