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Finding the Third Proportional to 8,349.75 and 9,888.75

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Solution

The third proportional to 8,349.75 and 9,888.75 is: 11,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.75 : 9,888.75 = 9,888.75 : x
  2. Step 2: Convert to fraction form
    8,349.75/9,888.75 = 9,888.75/x
  3. Step 3: Cross multiply
    8,349.75x = 9,888.75 × 9,888.75
  4. Step 4: Simplify right side
    8,349.75x = 97,787,376.56
  5. Step 5: Solve for x
    x = 97,787,376.56/8,349.75
  6. Step 6: Final answer
    x = 11,711.41

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.