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Finding the Third Proportional to 28,432 and 62,240

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Solution

The third proportional to 28,432 and 62,240 is: 136,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432 : 62,240 = 62,240 : x
  2. Step 2: Convert to fraction form
    28,432/62,240 = 62,240/x
  3. Step 3: Cross multiply
    28,432x = 62,240 × 62,240
  4. Step 4: Simplify right side
    28,432x = 3,873,817,600
  5. Step 5: Solve for x
    x = 3,873,817,600/28,432
  6. Step 6: Final answer
    x = 136,248.51

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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.