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Finding the Third Proportional to 16,851,858 and 36,306,952

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Solution

The third proportional to 16,851,858 and 36,306,952 is: 78,222,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851,858 : 36,306,952 = 36,306,952 : x
  2. Step 2: Convert to fraction form
    16,851,858/36,306,952 = 36,306,952/x
  3. Step 3: Cross multiply
    16,851,858x = 36,306,952 × 36,306,952
  4. Step 4: Simplify right side
    16,851,858x = 1,318,194,763,530,304
  5. Step 5: Solve for x
    x = 1,318,194,763,530,304/16,851,858
  6. Step 6: Final answer
    x = 78,222,517.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.