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Finding the Third Proportional to 16,518,832 and 36,228,416

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Solution

The third proportional to 16,518,832 and 36,228,416 is: 79,454,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518,832 : 36,228,416 = 36,228,416 : x
  2. Step 2: Convert to fraction form
    16,518,832/36,228,416 = 36,228,416/x
  3. Step 3: Cross multiply
    16,518,832x = 36,228,416 × 36,228,416
  4. Step 4: Simplify right side
    16,518,832x = 1,312,498,125,869,056
  5. Step 5: Solve for x
    x = 1,312,498,125,869,056/16,518,832
  6. Step 6: Final answer
    x = 79,454,656.71

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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.