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Finding the Third Proportional to 298,055 and 649,651

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Solution

The third proportional to 298,055 and 649,651 is: 1,416,001.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,055 : 649,651 = 649,651 : x
  2. Step 2: Convert to fraction form
    298,055/649,651 = 649,651/x
  3. Step 3: Cross multiply
    298,055x = 649,651 × 649,651
  4. Step 4: Simplify right side
    298,055x = 422,046,421,801
  5. Step 5: Solve for x
    x = 422,046,421,801/298,055
  6. Step 6: Final answer
    x = 1,416,001.82

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.