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Finding the Third Proportional to 40,672.13 and 89,358.19

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Solution

The third proportional to 40,672.13 and 89,358.19 is: 196,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,672.13 : 89,358.19 = 89,358.19 : x
  2. Step 2: Convert to fraction form
    40,672.13/89,358.19 = 89,358.19/x
  3. Step 3: Cross multiply
    40,672.13x = 89,358.19 × 89,358.19
  4. Step 4: Simplify right side
    40,672.13x = 7,984,885,673.29
  5. Step 5: Solve for x
    x = 7,984,885,673.29/40,672.13
  6. Step 6: Final answer
    x = 196,323.30

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.