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Finding the Third Proportional to 109,373 and 239,320

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Solution

The third proportional to 109,373 and 239,320 is: 523,658.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,373 : 239,320 = 239,320 : x
  2. Step 2: Convert to fraction form
    109,373/239,320 = 239,320/x
  3. Step 3: Cross multiply
    109,373x = 239,320 × 239,320
  4. Step 4: Simplify right side
    109,373x = 57,274,062,400
  5. Step 5: Solve for x
    x = 57,274,062,400/109,373
  6. Step 6: Final answer
    x = 523,658.15

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.