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Finding the Third Proportional to 18,017,631 and 38,869,608

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Solution

The third proportional to 18,017,631 and 38,869,608 is: 83,853,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017,631 : 38,869,608 = 38,869,608 : x
  2. Step 2: Convert to fraction form
    18,017,631/38,869,608 = 38,869,608/x
  3. Step 3: Cross multiply
    18,017,631x = 38,869,608 × 38,869,608
  4. Step 4: Simplify right side
    18,017,631x = 1,510,846,426,073,664
  5. Step 5: Solve for x
    x = 1,510,846,426,073,664/18,017,631
  6. Step 6: Final answer
    x = 83,853,777.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.