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Finding the Third Proportional to 18,486,360 and 39,895,605

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Solution

The third proportional to 18,486,360 and 39,895,605 is: 86,099,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486,360 : 39,895,605 = 39,895,605 : x
  2. Step 2: Convert to fraction form
    18,486,360/39,895,605 = 39,895,605/x
  3. Step 3: Cross multiply
    18,486,360x = 39,895,605 × 39,895,605
  4. Step 4: Simplify right side
    18,486,360x = 1,591,659,298,316,025
  5. Step 5: Solve for x
    x = 1,591,659,298,316,025/18,486,360
  6. Step 6: Final answer
    x = 86,099,118.39

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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.