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Finding the Third Proportional to 18,586.13 and 39,951.56

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Solution

The third proportional to 18,586.13 and 39,951.56 is: 85,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.13 : 39,951.56 = 39,951.56 : x
  2. Step 2: Convert to fraction form
    18,586.13/39,951.56 = 39,951.56/x
  3. Step 3: Cross multiply
    18,586.13x = 39,951.56 × 39,951.56
  4. Step 4: Simplify right side
    18,586.13x = 1,596,127,346.19
  5. Step 5: Solve for x
    x = 1,596,127,346.19/18,586.13
  6. Step 6: Final answer
    x = 85,877.36

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.