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Finding the Third Proportional to 70,579 and 151,391

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Solution

The third proportional to 70,579 and 151,391 is: 324,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,579 : 151,391 = 151,391 : x
  2. Step 2: Convert to fraction form
    70,579/151,391 = 151,391/x
  3. Step 3: Cross multiply
    70,579x = 151,391 × 151,391
  4. Step 4: Simplify right side
    70,579x = 22,919,234,881
  5. Step 5: Solve for x
    x = 22,919,234,881/70,579
  6. Step 6: Final answer
    x = 324,731.65

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.