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Finding the Third Proportional to 151,659 and 218,466.75

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Solution

The third proportional to 151,659 and 218,466.75 is: 314,704.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,659 : 218,466.75 = 218,466.75 : x
  2. Step 2: Convert to fraction form
    151,659/218,466.75 = 218,466.75/x
  3. Step 3: Cross multiply
    151,659x = 218,466.75 × 218,466.75
  4. Step 4: Simplify right side
    151,659x = 47,727,720,855.56
  5. Step 5: Solve for x
    x = 47,727,720,855.56/151,659
  6. Step 6: Final answer
    x = 314,704.18

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.