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Finding the Third Proportional to 6,561 and 9,560.25

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Solution

The third proportional to 6,561 and 9,560.25 is: 13,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561 : 9,560.25 = 9,560.25 : x
  2. Step 2: Convert to fraction form
    6,561/9,560.25 = 9,560.25/x
  3. Step 3: Cross multiply
    6,561x = 9,560.25 × 9,560.25
  4. Step 4: Simplify right side
    6,561x = 91,398,380.06
  5. Step 5: Solve for x
    x = 91,398,380.06/6,561
  6. Step 6: Final answer
    x = 13,930.56

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.