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Finding the Third Proportional to 7,491.38 and 16,278.75

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Solution

The third proportional to 7,491.38 and 16,278.75 is: 35,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.38 : 16,278.75 = 16,278.75 : x
  2. Step 2: Convert to fraction form
    7,491.38/16,278.75 = 16,278.75/x
  3. Step 3: Cross multiply
    7,491.38x = 16,278.75 × 16,278.75
  4. Step 4: Simplify right side
    7,491.38x = 264,997,701.56
  5. Step 5: Solve for x
    x = 264,997,701.56/7,491.38
  6. Step 6: Final answer
    x = 35,373.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.