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Finding the Third Proportional to 109,613 and 239,062

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Solution

The third proportional to 109,613 and 239,062 is: 521,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,613 : 239,062 = 239,062 : x
  2. Step 2: Convert to fraction form
    109,613/239,062 = 239,062/x
  3. Step 3: Cross multiply
    109,613x = 239,062 × 239,062
  4. Step 4: Simplify right side
    109,613x = 57,150,639,844
  5. Step 5: Solve for x
    x = 57,150,639,844/109,613
  6. Step 6: Final answer
    x = 521,385.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.