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Finding the Third Proportional to 151,704 and 218,515.50

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Solution

The third proportional to 151,704 and 218,515.50 is: 314,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,704 : 218,515.50 = 218,515.50 : x
  2. Step 2: Convert to fraction form
    151,704/218,515.50 = 218,515.50/x
  3. Step 3: Cross multiply
    151,704x = 218,515.50 × 218,515.50
  4. Step 4: Simplify right side
    151,704x = 47,749,023,740.25
  5. Step 5: Solve for x
    x = 47,749,023,740.25/151,704
  6. Step 6: Final answer
    x = 314,751.25

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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.