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Finding the Third Proportional to 479,136 and 718,644

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Solution

The third proportional to 479,136 and 718,644 is: 1,077,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,136 : 718,644 = 718,644 : x
  2. Step 2: Convert to fraction form
    479,136/718,644 = 718,644/x
  3. Step 3: Cross multiply
    479,136x = 718,644 × 718,644
  4. Step 4: Simplify right side
    479,136x = 516,449,198,736
  5. Step 5: Solve for x
    x = 516,449,198,736/479,136
  6. Step 6: Final answer
    x = 1,077,876.01

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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.