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Finding the Third Proportional to 108,736 and 153,126

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Solution

The third proportional to 108,736 and 153,126 is: 215,637.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,736 : 153,126 = 153,126 : x
  2. Step 2: Convert to fraction form
    108,736/153,126 = 153,126/x
  3. Step 3: Cross multiply
    108,736x = 153,126 × 153,126
  4. Step 4: Simplify right side
    108,736x = 23,447,571,876
  5. Step 5: Solve for x
    x = 23,447,571,876/108,736
  6. Step 6: Final answer
    x = 215,637.62

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.