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Finding the Third Proportional to 28,810 and 62,540

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Solution

The third proportional to 28,810 and 62,540 is: 135,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810 : 62,540 = 62,540 : x
  2. Step 2: Convert to fraction form
    28,810/62,540 = 62,540/x
  3. Step 3: Cross multiply
    28,810x = 62,540 × 62,540
  4. Step 4: Simplify right side
    28,810x = 3,911,251,600
  5. Step 5: Solve for x
    x = 3,911,251,600/28,810
  6. Step 6: Final answer
    x = 135,760.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.