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Finding the Third Proportional to 5,007.38 and 7,854.75

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Solution

The third proportional to 5,007.38 and 7,854.75 is: 12,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.38 : 7,854.75 = 7,854.75 : x
  2. Step 2: Convert to fraction form
    5,007.38/7,854.75 = 7,854.75/x
  3. Step 3: Cross multiply
    5,007.38x = 7,854.75 × 7,854.75
  4. Step 4: Simplify right side
    5,007.38x = 61,697,097.56
  5. Step 5: Solve for x
    x = 61,697,097.56/5,007.38
  6. Step 6: Final answer
    x = 12,321.25

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.