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Finding the Third Proportional to 7,372.13 and 11,282.63

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Solution

The third proportional to 7,372.13 and 11,282.63 is: 17,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.13 : 11,282.63 = 11,282.63 : x
  2. Step 2: Convert to fraction form
    7,372.13/11,282.63 = 11,282.63/x
  3. Step 3: Cross multiply
    7,372.13x = 11,282.63 × 11,282.63
  4. Step 4: Simplify right side
    7,372.13x = 127,297,626.89
  5. Step 5: Solve for x
    x = 127,297,626.89/7,372.13
  6. Step 6: Final answer
    x = 17,267.43

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.