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Finding the Third Proportional to 9,722 and 15,082

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Solution

The third proportional to 9,722 and 15,082 is: 23,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722 : 15,082 = 15,082 : x
  2. Step 2: Convert to fraction form
    9,722/15,082 = 15,082/x
  3. Step 3: Cross multiply
    9,722x = 15,082 × 15,082
  4. Step 4: Simplify right side
    9,722x = 227,466,724
  5. Step 5: Solve for x
    x = 227,466,724/9,722
  6. Step 6: Final answer
    x = 23,397.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.