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Finding the Third Proportional to 18,858,288 and 41,170,980

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Solution

The third proportional to 18,858,288 and 41,170,980 is: 89,883,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858,288 : 41,170,980 = 41,170,980 : x
  2. Step 2: Convert to fraction form
    18,858,288/41,170,980 = 41,170,980/x
  3. Step 3: Cross multiply
    18,858,288x = 41,170,980 × 41,170,980
  4. Step 4: Simplify right side
    18,858,288x = 1,695,049,594,160,400
  5. Step 5: Solve for x
    x = 1,695,049,594,160,400/18,858,288
  6. Step 6: Final answer
    x = 89,883,535.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.