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Finding the Third Proportional to 73,939 and 114,701

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Solution

The third proportional to 73,939 and 114,701 is: 177,934.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,939 : 114,701 = 114,701 : x
  2. Step 2: Convert to fraction form
    73,939/114,701 = 114,701/x
  3. Step 3: Cross multiply
    73,939x = 114,701 × 114,701
  4. Step 4: Simplify right side
    73,939x = 13,156,319,401
  5. Step 5: Solve for x
    x = 13,156,319,401/73,939
  6. Step 6: Final answer
    x = 177,934.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.