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Finding the Third Proportional to 64,400 and 150,448

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Solution

The third proportional to 64,400 and 150,448 is: 351,468.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,400 : 150,448 = 150,448 : x
  2. Step 2: Convert to fraction form
    64,400/150,448 = 150,448/x
  3. Step 3: Cross multiply
    64,400x = 150,448 × 150,448
  4. Step 4: Simplify right side
    64,400x = 22,634,600,704
  5. Step 5: Solve for x
    x = 22,634,600,704/64,400
  6. Step 6: Final answer
    x = 351,468.96

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.