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Finding the Third Proportional to 479,151 and 718,740

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Solution

The third proportional to 479,151 and 718,740 is: 1,078,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,151 : 718,740 = 718,740 : x
  2. Step 2: Convert to fraction form
    479,151/718,740 = 718,740/x
  3. Step 3: Cross multiply
    479,151x = 718,740 × 718,740
  4. Step 4: Simplify right side
    479,151x = 516,587,187,600
  5. Step 5: Solve for x
    x = 516,587,187,600/479,151
  6. Step 6: Final answer
    x = 1,078,130.25

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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.