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Finding the Third Proportional to 7,953 and 11,655.75

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Solution

The third proportional to 7,953 and 11,655.75 is: 17,082.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953 : 11,655.75 = 11,655.75 : x
  2. Step 2: Convert to fraction form
    7,953/11,655.75 = 11,655.75/x
  3. Step 3: Cross multiply
    7,953x = 11,655.75 × 11,655.75
  4. Step 4: Simplify right side
    7,953x = 135,856,508.06
  5. Step 5: Solve for x
    x = 135,856,508.06/7,953
  6. Step 6: Final answer
    x = 17,082.42

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.