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Finding the Third Proportional to 18,656,023 and 40,367,821

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Solution

The third proportional to 18,656,023 and 40,367,821 is: 87,347,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656,023 : 40,367,821 = 40,367,821 : x
  2. Step 2: Convert to fraction form
    18,656,023/40,367,821 = 40,367,821/x
  3. Step 3: Cross multiply
    18,656,023x = 40,367,821 × 40,367,821
  4. Step 4: Simplify right side
    18,656,023x = 1,629,560,972,288,041
  5. Step 5: Solve for x
    x = 1,629,560,972,288,041/18,656,023
  6. Step 6: Final answer
    x = 87,347,714.58

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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.