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Finding the Third Proportional to 125,308 and 275,540

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Solution

The third proportional to 125,308 and 275,540 is: 605,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,308 : 275,540 = 275,540 : x
  2. Step 2: Convert to fraction form
    125,308/275,540 = 275,540/x
  3. Step 3: Cross multiply
    125,308x = 275,540 × 275,540
  4. Step 4: Simplify right side
    125,308x = 75,922,291,600
  5. Step 5: Solve for x
    x = 75,922,291,600/125,308
  6. Step 6: Final answer
    x = 605,885.43

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.