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Finding the Third Proportional to 4,217,809 and 8,734,715

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Solution

The third proportional to 4,217,809 and 8,734,715 is: 18,088,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217,809 : 8,734,715 = 8,734,715 : x
  2. Step 2: Convert to fraction form
    4,217,809/8,734,715 = 8,734,715/x
  3. Step 3: Cross multiply
    4,217,809x = 8,734,715 × 8,734,715
  4. Step 4: Simplify right side
    4,217,809x = 76,295,246,131,225
  5. Step 5: Solve for x
    x = 76,295,246,131,225/4,217,809
  6. Step 6: Final answer
    x = 18,088,833.83

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.