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Finding the Third Proportional to 4,280,482 and 8,915,259

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Solution

The third proportional to 4,280,482 and 8,915,259 is: 18,568,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,482 : 8,915,259 = 8,915,259 : x
  2. Step 2: Convert to fraction form
    4,280,482/8,915,259 = 8,915,259/x
  3. Step 3: Cross multiply
    4,280,482x = 8,915,259 × 8,915,259
  4. Step 4: Simplify right side
    4,280,482x = 79,481,843,037,081
  5. Step 5: Solve for x
    x = 79,481,843,037,081/4,280,482
  6. Step 6: Final answer
    x = 18,568,432.96

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.