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Finding the Third Proportional to 679,619 and 1,587,267

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Solution

The third proportional to 679,619 and 1,587,267 is: 3,707,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,619 : 1,587,267 = 1,587,267 : x
  2. Step 2: Convert to fraction form
    679,619/1,587,267 = 1,587,267/x
  3. Step 3: Cross multiply
    679,619x = 1,587,267 × 1,587,267
  4. Step 4: Simplify right side
    679,619x = 2,519,416,529,289
  5. Step 5: Solve for x
    x = 2,519,416,529,289/679,619
  6. Step 6: Final answer
    x = 3,707,101.37

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.