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Finding the Third Proportional to 207,390.38 and 329,766.19

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Solution

The third proportional to 207,390.38 and 329,766.19 is: 524,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,390.38 : 329,766.19 = 329,766.19 : x
  2. Step 2: Convert to fraction form
    207,390.38/329,766.19 = 329,766.19/x
  3. Step 3: Cross multiply
    207,390.38x = 329,766.19 × 329,766.19
  4. Step 4: Simplify right side
    207,390.38x = 108,745,738,418.29
  5. Step 5: Solve for x
    x = 108,745,738,418.29/207,390.38
  6. Step 6: Final answer
    x = 524,352.87

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.