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Finding the Third Proportional to 1,251,715.78 and 2,697,801.19

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Solution

The third proportional to 1,251,715.78 and 2,697,801.19 is: 5,814,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,715.78 : 2,697,801.19 = 2,697,801.19 : x
  2. Step 2: Convert to fraction form
    1,251,715.78/2,697,801.19 = 2,697,801.19/x
  3. Step 3: Cross multiply
    1,251,715.78x = 2,697,801.19 × 2,697,801.19
  4. Step 4: Simplify right side
    1,251,715.78x = 7,278,131,247,276.41
  5. Step 5: Solve for x
    x = 7,278,131,247,276.41/1,251,715.78
  6. Step 6: Final answer
    x = 5,814,523.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.