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Finding the Third Proportional to 145,544 and 218,857

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Solution

The third proportional to 145,544 and 218,857 is: 329,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,544 : 218,857 = 218,857 : x
  2. Step 2: Convert to fraction form
    145,544/218,857 = 218,857/x
  3. Step 3: Cross multiply
    145,544x = 218,857 × 218,857
  4. Step 4: Simplify right side
    145,544x = 47,898,386,449
  5. Step 5: Solve for x
    x = 47,898,386,449/145,544
  6. Step 6: Final answer
    x = 329,099.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.