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Finding the Third Proportional to 40,149 and 87,957

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Solution

The third proportional to 40,149 and 87,957 is: 192,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,149 : 87,957 = 87,957 : x
  2. Step 2: Convert to fraction form
    40,149/87,957 = 87,957/x
  3. Step 3: Cross multiply
    40,149x = 87,957 × 87,957
  4. Step 4: Simplify right side
    40,149x = 7,736,433,849
  5. Step 5: Solve for x
    x = 7,736,433,849/40,149
  6. Step 6: Final answer
    x = 192,693.06

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.