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Finding the Third Proportional to 163,914 and 247,374

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Solution

The third proportional to 163,914 and 247,374 is: 373,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,914 : 247,374 = 247,374 : x
  2. Step 2: Convert to fraction form
    163,914/247,374 = 247,374/x
  3. Step 3: Cross multiply
    163,914x = 247,374 × 247,374
  4. Step 4: Simplify right side
    163,914x = 61,193,895,876
  5. Step 5: Solve for x
    x = 61,193,895,876/163,914
  6. Step 6: Final answer
    x = 373,329.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.