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Finding the Third Proportional to 17,580 and 25,419

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Solution

The third proportional to 17,580 and 25,419 is: 36,753.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580 : 25,419 = 25,419 : x
  2. Step 2: Convert to fraction form
    17,580/25,419 = 25,419/x
  3. Step 3: Cross multiply
    17,580x = 25,419 × 25,419
  4. Step 4: Simplify right side
    17,580x = 646,125,561
  5. Step 5: Solve for x
    x = 646,125,561/17,580
  6. Step 6: Final answer
    x = 36,753.44

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.