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Finding the Third Proportional to 391,452 and 751,800

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Solution

The third proportional to 391,452 and 751,800 is: 1,443,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,452 : 751,800 = 751,800 : x
  2. Step 2: Convert to fraction form
    391,452/751,800 = 751,800/x
  3. Step 3: Cross multiply
    391,452x = 751,800 × 751,800
  4. Step 4: Simplify right side
    391,452x = 565,203,240,000
  5. Step 5: Solve for x
    x = 565,203,240,000/391,452
  6. Step 6: Final answer
    x = 1,443,863.46

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.