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Finding the Third Proportional to 25,011 and 38,715

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Solution

The third proportional to 25,011 and 38,715 is: 59,927.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,011 : 38,715 = 38,715 : x
  2. Step 2: Convert to fraction form
    25,011/38,715 = 38,715/x
  3. Step 3: Cross multiply
    25,011x = 38,715 × 38,715
  4. Step 4: Simplify right side
    25,011x = 1,498,851,225
  5. Step 5: Solve for x
    x = 1,498,851,225/25,011
  6. Step 6: Final answer
    x = 59,927.68

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.