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Finding the Third Proportional to 169,885,055 and 372,183,624

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Solution

The third proportional to 169,885,055 and 372,183,624 is: 815,378,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,885,055 : 372,183,624 = 372,183,624 : x
  2. Step 2: Convert to fraction form
    169,885,055/372,183,624 = 372,183,624/x
  3. Step 3: Cross multiply
    169,885,055x = 372,183,624 × 372,183,624
  4. Step 4: Simplify right side
    169,885,055x = 138,520,649,973,773,376
  5. Step 5: Solve for x
    x = 138,520,649,973,773,376/169,885,055
  6. Step 6: Final answer
    x = 815,378,668.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.