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Finding the Third Proportional to 1,663,821 and 2,555,832.66

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Solution

The third proportional to 1,663,821 and 2,555,832.66 is: 3,926,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,821 : 2,555,832.66 = 2,555,832.66 : x
  2. Step 2: Convert to fraction form
    1,663,821/2,555,832.66 = 2,555,832.66/x
  3. Step 3: Cross multiply
    1,663,821x = 2,555,832.66 × 2,555,832.66
  4. Step 4: Simplify right side
    1,663,821x = 6,532,280,566,753.93
  5. Step 5: Solve for x
    x = 6,532,280,566,753.93/1,663,821
  6. Step 6: Final answer
    x = 3,926,071.71

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.