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Finding the Third Proportional to 18,175,702 and 38,905,171

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Solution

The third proportional to 18,175,702 and 38,905,171 is: 83,276,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175,702 : 38,905,171 = 38,905,171 : x
  2. Step 2: Convert to fraction form
    18,175,702/38,905,171 = 38,905,171/x
  3. Step 3: Cross multiply
    18,175,702x = 38,905,171 × 38,905,171
  4. Step 4: Simplify right side
    18,175,702x = 1,513,612,330,539,241
  5. Step 5: Solve for x
    x = 1,513,612,330,539,241/18,175,702
  6. Step 6: Final answer
    x = 83,276,691.63

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.