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Finding the Third Proportional to 18,314,108 and 38,135,316

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Solution

The third proportional to 18,314,108 and 38,135,316 is: 79,408,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314,108 : 38,135,316 = 38,135,316 : x
  2. Step 2: Convert to fraction form
    18,314,108/38,135,316 = 38,135,316/x
  3. Step 3: Cross multiply
    18,314,108x = 38,135,316 × 38,135,316
  4. Step 4: Simplify right side
    18,314,108x = 1,454,302,326,419,856
  5. Step 5: Solve for x
    x = 1,454,302,326,419,856/18,314,108
  6. Step 6: Final answer
    x = 79,408,853.90

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.