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Finding the Third Proportional to 67,390.50 and 160,251

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Solution

The third proportional to 67,390.50 and 160,251 is: 381,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,390.50 : 160,251 = 160,251 : x
  2. Step 2: Convert to fraction form
    67,390.50/160,251 = 160,251/x
  3. Step 3: Cross multiply
    67,390.50x = 160,251 × 160,251
  4. Step 4: Simplify right side
    67,390.50x = 25,680,383,001
  5. Step 5: Solve for x
    x = 25,680,383,001/67,390.50
  6. Step 6: Final answer
    x = 381,068.30

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.