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Finding the Third Proportional to 84,679.31 and 131,073.75

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Solution

The third proportional to 84,679.31 and 131,073.75 is: 202,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,679.31 : 131,073.75 = 131,073.75 : x
  2. Step 2: Convert to fraction form
    84,679.31/131,073.75 = 131,073.75/x
  3. Step 3: Cross multiply
    84,679.31x = 131,073.75 × 131,073.75
  4. Step 4: Simplify right side
    84,679.31x = 17,180,327,939.06
  5. Step 5: Solve for x
    x = 17,180,327,939.06/84,679.31
  6. Step 6: Final answer
    x = 202,886.96

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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.