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Finding the Third Proportional to 687,612 and 1,493,559

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Solution

The third proportional to 687,612 and 1,493,559 is: 3,244,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,612 : 1,493,559 = 1,493,559 : x
  2. Step 2: Convert to fraction form
    687,612/1,493,559 = 1,493,559/x
  3. Step 3: Cross multiply
    687,612x = 1,493,559 × 1,493,559
  4. Step 4: Simplify right side
    687,612x = 2,230,718,486,481
  5. Step 5: Solve for x
    x = 2,230,718,486,481/687,612
  6. Step 6: Final answer
    x = 3,244,152.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.