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Finding the Third Proportional to 18,462,682 and 40,399,940

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Solution

The third proportional to 18,462,682 and 40,399,940 is: 88,402,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462,682 : 40,399,940 = 40,399,940 : x
  2. Step 2: Convert to fraction form
    18,462,682/40,399,940 = 40,399,940/x
  3. Step 3: Cross multiply
    18,462,682x = 40,399,940 × 40,399,940
  4. Step 4: Simplify right side
    18,462,682x = 1,632,155,152,003,600
  5. Step 5: Solve for x
    x = 1,632,155,152,003,600/18,462,682
  6. Step 6: Final answer
    x = 88,402,928.24

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.