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Finding the Third Proportional to 3,236,081.90 and 5,392,829.65

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Solution

The third proportional to 3,236,081.90 and 5,392,829.65 is: 8,986,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236,081.90 : 5,392,829.65 = 5,392,829.65 : x
  2. Step 2: Convert to fraction form
    3,236,081.90/5,392,829.65 = 5,392,829.65/x
  3. Step 3: Cross multiply
    3,236,081.90x = 5,392,829.65 × 5,392,829.65
  4. Step 4: Simplify right side
    3,236,081.90x = 29,082,611,609,168.19
  5. Step 5: Solve for x
    x = 29,082,611,609,168.19/3,236,081.90
  6. Step 6: Final answer
    x = 8,986,982.56

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.