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Finding the Third Proportional to 132,023.81 and 285,091.31

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Solution

The third proportional to 132,023.81 and 285,091.31 is: 615,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,023.81 : 285,091.31 = 285,091.31 : x
  2. Step 2: Convert to fraction form
    132,023.81/285,091.31 = 285,091.31/x
  3. Step 3: Cross multiply
    132,023.81x = 285,091.31 × 285,091.31
  4. Step 4: Simplify right side
    132,023.81x = 81,277,056,462.97
  5. Step 5: Solve for x
    x = 81,277,056,462.97/132,023.81
  6. Step 6: Final answer
    x = 615,624.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.