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Finding the Third Proportional to 25,276 and 38,687

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Solution

The third proportional to 25,276 and 38,687 is: 59,213.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,276 : 38,687 = 38,687 : x
  2. Step 2: Convert to fraction form
    25,276/38,687 = 38,687/x
  3. Step 3: Cross multiply
    25,276x = 38,687 × 38,687
  4. Step 4: Simplify right side
    25,276x = 1,496,683,969
  5. Step 5: Solve for x
    x = 1,496,683,969/25,276
  6. Step 6: Final answer
    x = 59,213.64

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.