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Finding the Third Proportional to 125,680 and 271,040

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Solution

The third proportional to 125,680 and 271,040 is: 584,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,680 : 271,040 = 271,040 : x
  2. Step 2: Convert to fraction form
    125,680/271,040 = 271,040/x
  3. Step 3: Cross multiply
    125,680x = 271,040 × 271,040
  4. Step 4: Simplify right side
    125,680x = 73,462,681,600
  5. Step 5: Solve for x
    x = 73,462,681,600/125,680
  6. Step 6: Final answer
    x = 584,521.65

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.