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Finding the Third Proportional to 7,314.75 and 8,448.75

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Solution

The third proportional to 7,314.75 and 8,448.75 is: 9,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.75 : 8,448.75 = 8,448.75 : x
  2. Step 2: Convert to fraction form
    7,314.75/8,448.75 = 8,448.75/x
  3. Step 3: Cross multiply
    7,314.75x = 8,448.75 × 8,448.75
  4. Step 4: Simplify right side
    7,314.75x = 71,381,376.56
  5. Step 5: Solve for x
    x = 71,381,376.56/7,314.75
  6. Step 6: Final answer
    x = 9,758.55

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.