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Finding the Third Proportional to 5,006.25 and 7,491.38

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Solution

The third proportional to 5,006.25 and 7,491.38 is: 11,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.25 : 7,491.38 = 7,491.38 : x
  2. Step 2: Convert to fraction form
    5,006.25/7,491.38 = 7,491.38/x
  3. Step 3: Cross multiply
    5,006.25x = 7,491.38 × 7,491.38
  4. Step 4: Simplify right side
    5,006.25x = 56,120,699.39
  5. Step 5: Solve for x
    x = 56,120,699.39/5,006.25
  6. Step 6: Final answer
    x = 11,210.13

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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.