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Finding the Third Proportional to 72,329,451 and 158,705,757

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Solution

The third proportional to 72,329,451 and 158,705,757 is: 348,233,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,329,451 : 158,705,757 = 158,705,757 : x
  2. Step 2: Convert to fraction form
    72,329,451/158,705,757 = 158,705,757/x
  3. Step 3: Cross multiply
    72,329,451x = 158,705,757 × 158,705,757
  4. Step 4: Simplify right side
    72,329,451x = 25,187,517,304,943,048
  5. Step 5: Solve for x
    x = 25,187,517,304,943,048/72,329,451
  6. Step 6: Final answer
    x = 348,233,215.61

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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.