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Finding the Third Proportional to 6,822 and 9,175.50

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Solution

The third proportional to 6,822 and 9,175.50 is: 12,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822 : 9,175.50 = 9,175.50 : x
  2. Step 2: Convert to fraction form
    6,822/9,175.50 = 9,175.50/x
  3. Step 3: Cross multiply
    6,822x = 9,175.50 × 9,175.50
  4. Step 4: Simplify right side
    6,822x = 84,189,800.25
  5. Step 5: Solve for x
    x = 84,189,800.25/6,822
  6. Step 6: Final answer
    x = 12,340.93

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.