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Finding the Third Proportional to 25,128 and 54,624

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Solution

The third proportional to 25,128 and 54,624 is: 118,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,128 : 54,624 = 54,624 : x
  2. Step 2: Convert to fraction form
    25,128/54,624 = 54,624/x
  3. Step 3: Cross multiply
    25,128x = 54,624 × 54,624
  4. Step 4: Simplify right side
    25,128x = 2,983,781,376
  5. Step 5: Solve for x
    x = 2,983,781,376/25,128
  6. Step 6: Final answer
    x = 118,743.29

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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.