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Finding the Third Proportional to 218,129,359.50 and 477,304,389

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Solution

The third proportional to 218,129,359.50 and 477,304,389 is: 1,044,423,732.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,129,359.50 : 477,304,389 = 477,304,389 : x
  2. Step 2: Convert to fraction form
    218,129,359.50/477,304,389 = 477,304,389/x
  3. Step 3: Cross multiply
    218,129,359.50x = 477,304,389 × 477,304,389
  4. Step 4: Simplify right side
    218,129,359.50x = 227,819,479,758,663,328
  5. Step 5: Solve for x
    x = 227,819,479,758,663,328/218,129,359.50
  6. Step 6: Final answer
    x = 1,044,423,732.23

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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.