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Finding the Third Proportional to 28,280 and 62,392

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Solution

The third proportional to 28,280 and 62,392 is: 137,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280 : 62,392 = 62,392 : x
  2. Step 2: Convert to fraction form
    28,280/62,392 = 62,392/x
  3. Step 3: Cross multiply
    28,280x = 62,392 × 62,392
  4. Step 4: Simplify right side
    28,280x = 3,892,761,664
  5. Step 5: Solve for x
    x = 3,892,761,664/28,280
  6. Step 6: Final answer
    x = 137,650.70

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.