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Finding the Third Proportional to 7,941.38 and 16,909.88

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Solution

The third proportional to 7,941.38 and 16,909.88 is: 36,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.38 : 16,909.88 = 16,909.88 : x
  2. Step 2: Convert to fraction form
    7,941.38/16,909.88 = 16,909.88/x
  3. Step 3: Cross multiply
    7,941.38x = 16,909.88 × 16,909.88
  4. Step 4: Simplify right side
    7,941.38x = 285,943,872.52
  5. Step 5: Solve for x
    x = 285,943,872.52/7,941.38
  6. Step 6: Final answer
    x = 36,006.85

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.