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Finding the Third Proportional to 1,332.84 and 2,372.06

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Solution

The third proportional to 1,332.84 and 2,372.06 is: 4,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.84 : 2,372.06 = 2,372.06 : x
  2. Step 2: Convert to fraction form
    1,332.84/2,372.06 = 2,372.06/x
  3. Step 3: Cross multiply
    1,332.84x = 2,372.06 × 2,372.06
  4. Step 4: Simplify right side
    1,332.84x = 5,626,680.50
  5. Step 5: Solve for x
    x = 5,626,680.50/1,332.84
  6. Step 6: Final answer
    x = 4,221.56

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.