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Finding the Third Proportional to 7,072 and 12,452

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Solution

The third proportional to 7,072 and 12,452 is: 21,924.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072 : 12,452 = 12,452 : x
  2. Step 2: Convert to fraction form
    7,072/12,452 = 12,452/x
  3. Step 3: Cross multiply
    7,072x = 12,452 × 12,452
  4. Step 4: Simplify right side
    7,072x = 155,052,304
  5. Step 5: Solve for x
    x = 155,052,304/7,072
  6. Step 6: Final answer
    x = 21,924.82

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.