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Finding the Third Proportional to 10,945.75 and 16,691.75

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Solution

The third proportional to 10,945.75 and 16,691.75 is: 25,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.75 : 16,691.75 = 16,691.75 : x
  2. Step 2: Convert to fraction form
    10,945.75/16,691.75 = 16,691.75/x
  3. Step 3: Cross multiply
    10,945.75x = 16,691.75 × 16,691.75
  4. Step 4: Simplify right side
    10,945.75x = 278,614,518.06
  5. Step 5: Solve for x
    x = 278,614,518.06/10,945.75
  6. Step 6: Final answer
    x = 25,454.13

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.