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Finding the Third Proportional to 80,256,855 and 122,975,952

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Solution

The third proportional to 80,256,855 and 122,975,952 is: 188,433,558.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,256,855 : 122,975,952 = 122,975,952 : x
  2. Step 2: Convert to fraction form
    80,256,855/122,975,952 = 122,975,952/x
  3. Step 3: Cross multiply
    80,256,855x = 122,975,952 × 122,975,952
  4. Step 4: Simplify right side
    80,256,855x = 15,123,084,770,306,304
  5. Step 5: Solve for x
    x = 15,123,084,770,306,304/80,256,855
  6. Step 6: Final answer
    x = 188,433,558.36

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.