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Finding the Third Proportional to 649,580,172.05 and 1,515,739,452.12

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Solution

The third proportional to 649,580,172.05 and 1,515,739,452.12 is: 3,536,847,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,580,172.05 : 1,515,739,452.12 = 1,515,739,452.12 : x
  2. Step 2: Convert to fraction form
    649,580,172.05/1,515,739,452.12 = 1,515,739,452.12/x
  3. Step 3: Cross multiply
    649,580,172.05x = 1,515,739,452.12 × 1,515,739,452.12
  4. Step 4: Simplify right side
    649,580,172.05x = 2,297,466,086,704,246,528
  5. Step 5: Solve for x
    x = 2,297,466,086,704,246,528/649,580,172.05
  6. Step 6: Final answer
    x = 3,536,847,621.85

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.