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Finding the Third Proportional to 6,842 and 9,051

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Solution

The third proportional to 6,842 and 9,051 is: 11,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842 : 9,051 = 9,051 : x
  2. Step 2: Convert to fraction form
    6,842/9,051 = 9,051/x
  3. Step 3: Cross multiply
    6,842x = 9,051 × 9,051
  4. Step 4: Simplify right side
    6,842x = 81,920,601
  5. Step 5: Solve for x
    x = 81,920,601/6,842
  6. Step 6: Final answer
    x = 11,973.20

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.