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Finding the Third Proportional to 479,157 and 718,749

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Solution

The third proportional to 479,157 and 718,749 is: 1,078,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,157 : 718,749 = 718,749 : x
  2. Step 2: Convert to fraction form
    479,157/718,749 = 718,749/x
  3. Step 3: Cross multiply
    479,157x = 718,749 × 718,749
  4. Step 4: Simplify right side
    479,157x = 516,600,125,001
  5. Step 5: Solve for x
    x = 516,600,125,001/479,157
  6. Step 6: Final answer
    x = 1,078,143.75

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