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Finding the Third Proportional to 38,634 and 59,781

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Solution

The third proportional to 38,634 and 59,781 is: 92,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,634 : 59,781 = 59,781 : x
  2. Step 2: Convert to fraction form
    38,634/59,781 = 59,781/x
  3. Step 3: Cross multiply
    38,634x = 59,781 × 59,781
  4. Step 4: Simplify right side
    38,634x = 3,573,767,961
  5. Step 5: Solve for x
    x = 3,573,767,961/38,634
  6. Step 6: Final answer
    x = 92,503.18

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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.