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Finding the Third Proportional to 163,354 and 247,493

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Solution

The third proportional to 163,354 and 247,493 is: 374,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,354 : 247,493 = 247,493 : x
  2. Step 2: Convert to fraction form
    163,354/247,493 = 247,493/x
  3. Step 3: Cross multiply
    163,354x = 247,493 × 247,493
  4. Step 4: Simplify right side
    163,354x = 61,252,785,049
  5. Step 5: Solve for x
    x = 61,252,785,049/163,354
  6. Step 6: Final answer
    x = 374,969.61

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.