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Finding the Third Proportional to 1,229,721,952 and 2,655,394,544

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Solution

The third proportional to 1,229,721,952 and 2,655,394,544 is: 5,733,914,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,721,952 : 2,655,394,544 = 2,655,394,544 : x
  2. Step 2: Convert to fraction form
    1,229,721,952/2,655,394,544 = 2,655,394,544/x
  3. Step 3: Cross multiply
    1,229,721,952x = 2,655,394,544 × 2,655,394,544
  4. Step 4: Simplify right side
    1,229,721,952x = 7,051,120,184,304,967,680
  5. Step 5: Solve for x
    x = 7,051,120,184,304,967,680/1,229,721,952
  6. Step 6: Final answer
    x = 5,733,914,217.63

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.