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Finding the Third Proportional to 198,291.38 and 297,877.50

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Solution

The third proportional to 198,291.38 and 297,877.50 is: 447,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,291.38 : 297,877.50 = 297,877.50 : x
  2. Step 2: Convert to fraction form
    198,291.38/297,877.50 = 297,877.50/x
  3. Step 3: Cross multiply
    198,291.38x = 297,877.50 × 297,877.50
  4. Step 4: Simplify right side
    198,291.38x = 88,731,005,006.25
  5. Step 5: Solve for x
    x = 88,731,005,006.25/198,291.38
  6. Step 6: Final answer
    x = 447,477.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.