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Finding the Third Proportional to 1,472,343.75 and 2,199,720

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Solution

The third proportional to 1,472,343.75 and 2,199,720 is: 3,286,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,343.75 : 2,199,720 = 2,199,720 : x
  2. Step 2: Convert to fraction form
    1,472,343.75/2,199,720 = 2,199,720/x
  3. Step 3: Cross multiply
    1,472,343.75x = 2,199,720 × 2,199,720
  4. Step 4: Simplify right side
    1,472,343.75x = 4,838,768,078,400
  5. Step 5: Solve for x
    x = 4,838,768,078,400/1,472,343.75
  6. Step 6: Final answer
    x = 3,286,439.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.