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Finding the Third Proportional to 80,495,978 and 125,526,929

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Solution

The third proportional to 80,495,978 and 125,526,929 is: 195,749,033.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,495,978 : 125,526,929 = 125,526,929 : x
  2. Step 2: Convert to fraction form
    80,495,978/125,526,929 = 125,526,929/x
  3. Step 3: Cross multiply
    80,495,978x = 125,526,929 × 125,526,929
  4. Step 4: Simplify right side
    80,495,978x = 15,757,009,904,171,040
  5. Step 5: Solve for x
    x = 15,757,009,904,171,040/80,495,978
  6. Step 6: Final answer
    x = 195,749,033.62

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.