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Finding the Third Proportional to 198,366.75 and 434,761.50

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Solution

The third proportional to 198,366.75 and 434,761.50 is: 952,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,366.75 : 434,761.50 = 434,761.50 : x
  2. Step 2: Convert to fraction form
    198,366.75/434,761.50 = 434,761.50/x
  3. Step 3: Cross multiply
    198,366.75x = 434,761.50 × 434,761.50
  4. Step 4: Simplify right side
    198,366.75x = 189,017,561,882.25
  5. Step 5: Solve for x
    x = 189,017,561,882.25/198,366.75
  6. Step 6: Final answer
    x = 952,869.18

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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.