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Finding the Third Proportional to 38,781 and 58,497

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Solution

The third proportional to 38,781 and 58,497 is: 88,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,781 : 58,497 = 58,497 : x
  2. Step 2: Convert to fraction form
    38,781/58,497 = 58,497/x
  3. Step 3: Cross multiply
    38,781x = 58,497 × 58,497
  4. Step 4: Simplify right side
    38,781x = 3,421,899,009
  5. Step 5: Solve for x
    x = 3,421,899,009/38,781
  6. Step 6: Final answer
    x = 88,236.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.