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Finding the Third Proportional to 1,198,064.04 and 2,578,811.55

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Solution

The third proportional to 1,198,064.04 and 2,578,811.55 is: 5,550,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,064.04 : 2,578,811.55 = 2,578,811.55 : x
  2. Step 2: Convert to fraction form
    1,198,064.04/2,578,811.55 = 2,578,811.55/x
  3. Step 3: Cross multiply
    1,198,064.04x = 2,578,811.55 × 2,578,811.55
  4. Step 4: Simplify right side
    1,198,064.04x = 6,650,269,034,589.76
  5. Step 5: Solve for x
    x = 6,650,269,034,589.76/1,198,064.04
  6. Step 6: Final answer
    x = 5,550,846.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.