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Finding the Third Proportional to 2,167,372.69 and 3,375,157.78

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Solution

The third proportional to 2,167,372.69 and 3,375,157.78 is: 5,255,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,372.69 : 3,375,157.78 = 3,375,157.78 : x
  2. Step 2: Convert to fraction form
    2,167,372.69/3,375,157.78 = 3,375,157.78/x
  3. Step 3: Cross multiply
    2,167,372.69x = 3,375,157.78 × 3,375,157.78
  4. Step 4: Simplify right side
    2,167,372.69x = 11,391,690,048,332.42
  5. Step 5: Solve for x
    x = 11,391,690,048,332.42/2,167,372.69
  6. Step 6: Final answer
    x = 5,255,990.40

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.