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Finding the Third Proportional to 12,998,112 and 18,171,246

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Solution

The third proportional to 12,998,112 and 18,171,246 is: 25,403,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998,112 : 18,171,246 = 18,171,246 : x
  2. Step 2: Convert to fraction form
    12,998,112/18,171,246 = 18,171,246/x
  3. Step 3: Cross multiply
    12,998,112x = 18,171,246 × 18,171,246
  4. Step 4: Simplify right side
    12,998,112x = 330,194,181,192,516
  5. Step 5: Solve for x
    x = 330,194,181,192,516/12,998,112
  6. Step 6: Final answer
    x = 25,403,241.73

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.