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Finding the Third Proportional to 4,131 and 9,082

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Solution

The third proportional to 4,131 and 9,082 is: 19,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131 : 9,082 = 9,082 : x
  2. Step 2: Convert to fraction form
    4,131/9,082 = 9,082/x
  3. Step 3: Cross multiply
    4,131x = 9,082 × 9,082
  4. Step 4: Simplify right side
    4,131x = 82,482,724
  5. Step 5: Solve for x
    x = 82,482,724/4,131
  6. Step 6: Final answer
    x = 19,966.77

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.