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Finding the Third Proportional to 9,117 and 12,177

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Solution

The third proportional to 9,117 and 12,177 is: 16,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117 : 12,177 = 12,177 : x
  2. Step 2: Convert to fraction form
    9,117/12,177 = 12,177/x
  3. Step 3: Cross multiply
    9,117x = 12,177 × 12,177
  4. Step 4: Simplify right side
    9,117x = 148,279,329
  5. Step 5: Solve for x
    x = 148,279,329/9,117
  6. Step 6: Final answer
    x = 16,264.05

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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.