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Finding the Third Proportional to 18,591,162 and 40,269,639

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Solution

The third proportional to 18,591,162 and 40,269,639 is: 87,226,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,162 : 40,269,639 = 40,269,639 : x
  2. Step 2: Convert to fraction form
    18,591,162/40,269,639 = 40,269,639/x
  3. Step 3: Cross multiply
    18,591,162x = 40,269,639 × 40,269,639
  4. Step 4: Simplify right side
    18,591,162x = 1,621,643,825,190,321
  5. Step 5: Solve for x
    x = 1,621,643,825,190,321/18,591,162
  6. Step 6: Final answer
    x = 87,226,598.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.