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Finding the Third Proportional to 6,807.38 and 9,374.06

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Solution

The third proportional to 6,807.38 and 9,374.06 is: 12,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.38 : 9,374.06 = 9,374.06 : x
  2. Step 2: Convert to fraction form
    6,807.38/9,374.06 = 9,374.06/x
  3. Step 3: Cross multiply
    6,807.38x = 9,374.06 × 9,374.06
  4. Step 4: Simplify right side
    6,807.38x = 87,873,047.75
  5. Step 5: Solve for x
    x = 87,873,047.75/6,807.38
  6. Step 6: Final answer
    x = 12,908.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.