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Finding the Third Proportional to 25,687 and 38,368

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Solution

The third proportional to 25,687 and 38,368 is: 57,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687 : 38,368 = 38,368 : x
  2. Step 2: Convert to fraction form
    25,687/38,368 = 38,368/x
  3. Step 3: Cross multiply
    25,687x = 38,368 × 38,368
  4. Step 4: Simplify right side
    25,687x = 1,472,103,424
  5. Step 5: Solve for x
    x = 1,472,103,424/25,687
  6. Step 6: Final answer
    x = 57,309.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.