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Finding the Third Proportional to 70,306 and 151,000

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Solution

The third proportional to 70,306 and 151,000 is: 324,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,306 : 151,000 = 151,000 : x
  2. Step 2: Convert to fraction form
    70,306/151,000 = 151,000/x
  3. Step 3: Cross multiply
    70,306x = 151,000 × 151,000
  4. Step 4: Simplify right side
    70,306x = 22,801,000,000
  5. Step 5: Solve for x
    x = 22,801,000,000/70,306
  6. Step 6: Final answer
    x = 324,310.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.