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Finding the Third Proportional to 8,449,518 and 18,245,940

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Solution

The third proportional to 8,449,518 and 18,245,940 is: 39,400,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,518 : 18,245,940 = 18,245,940 : x
  2. Step 2: Convert to fraction form
    8,449,518/18,245,940 = 18,245,940/x
  3. Step 3: Cross multiply
    8,449,518x = 18,245,940 × 18,245,940
  4. Step 4: Simplify right side
    8,449,518x = 332,914,326,483,600
  5. Step 5: Solve for x
    x = 332,914,326,483,600/8,449,518
  6. Step 6: Final answer
    x = 39,400,392.60

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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.