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Finding the Third Proportional to 60,169.50 and 128,394

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Solution

The third proportional to 60,169.50 and 128,394 is: 273,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,169.50 : 128,394 = 128,394 : x
  2. Step 2: Convert to fraction form
    60,169.50/128,394 = 128,394/x
  3. Step 3: Cross multiply
    60,169.50x = 128,394 × 128,394
  4. Step 4: Simplify right side
    60,169.50x = 16,485,019,236
  5. Step 5: Solve for x
    x = 16,485,019,236/60,169.50
  6. Step 6: Final answer
    x = 273,976.34

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.