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Finding the Third Proportional to 296,778 and 699,872

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Solution

The third proportional to 296,778 and 699,872 is: 1,650,462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,778 : 699,872 = 699,872 : x
  2. Step 2: Convert to fraction form
    296,778/699,872 = 699,872/x
  3. Step 3: Cross multiply
    296,778x = 699,872 × 699,872
  4. Step 4: Simplify right side
    296,778x = 489,820,816,384
  5. Step 5: Solve for x
    x = 489,820,816,384/296,778
  6. Step 6: Final answer
    x = 1,650,462.02

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.