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Finding the Third Proportional to 18,267,482 and 39,750,787

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Solution

The third proportional to 18,267,482 and 39,750,787 is: 86,499,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267,482 : 39,750,787 = 39,750,787 : x
  2. Step 2: Convert to fraction form
    18,267,482/39,750,787 = 39,750,787/x
  3. Step 3: Cross multiply
    18,267,482x = 39,750,787 × 39,750,787
  4. Step 4: Simplify right side
    18,267,482x = 1,580,125,067,119,369
  5. Step 5: Solve for x
    x = 1,580,125,067,119,369/18,267,482
  6. Step 6: Final answer
    x = 86,499,336.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.