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Finding the Third Proportional to 80,555,330 and 123,891,267

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Solution

The third proportional to 80,555,330 and 123,891,267 is: 190,540,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,555,330 : 123,891,267 = 123,891,267 : x
  2. Step 2: Convert to fraction form
    80,555,330/123,891,267 = 123,891,267/x
  3. Step 3: Cross multiply
    80,555,330x = 123,891,267 × 123,891,267
  4. Step 4: Simplify right side
    80,555,330x = 15,349,046,038,865,288
  5. Step 5: Solve for x
    x = 15,349,046,038,865,288/80,555,330
  6. Step 6: Final answer
    x = 190,540,415.37

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.