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Finding the Third Proportional to 18,477,234 and 38,125,515.38

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Solution

The third proportional to 18,477,234 and 38,125,515.38 is: 78,667,343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,234 : 38,125,515.38 = 38,125,515.38 : x
  2. Step 2: Convert to fraction form
    18,477,234/38,125,515.38 = 38,125,515.38/x
  3. Step 3: Cross multiply
    18,477,234x = 38,125,515.38 × 38,125,515.38
  4. Step 4: Simplify right side
    18,477,234x = 1,453,554,922,609,361.50
  5. Step 5: Solve for x
    x = 1,453,554,922,609,361.50/18,477,234
  6. Step 6: Final answer
    x = 78,667,343.97

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.