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Finding the Third Proportional to 2,218,446 and 3,509,780.63

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Solution

The third proportional to 2,218,446 and 3,509,780.63 is: 5,552,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,446 : 3,509,780.63 = 3,509,780.63 : x
  2. Step 2: Convert to fraction form
    2,218,446/3,509,780.63 = 3,509,780.63/x
  3. Step 3: Cross multiply
    2,218,446x = 3,509,780.63 × 3,509,780.63
  4. Step 4: Simplify right side
    2,218,446x = 12,318,560,035,625.39
  5. Step 5: Solve for x
    x = 12,318,560,035,625.39/2,218,446
  6. Step 6: Final answer
    x = 5,552,787.87

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.