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Finding the Third Proportional to 8,861.44 and 19,332.75

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Solution

The third proportional to 8,861.44 and 19,332.75 is: 42,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.44 : 19,332.75 = 19,332.75 : x
  2. Step 2: Convert to fraction form
    8,861.44/19,332.75 = 19,332.75/x
  3. Step 3: Cross multiply
    8,861.44x = 19,332.75 × 19,332.75
  4. Step 4: Simplify right side
    8,861.44x = 373,755,222.56
  5. Step 5: Solve for x
    x = 373,755,222.56/8,861.44
  6. Step 6: Final answer
    x = 42,177.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.