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Finding the Third Proportional to 1,217,287.62 and 1,899,625.92

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Solution

The third proportional to 1,217,287.62 and 1,899,625.92 is: 2,964,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,287.62 : 1,899,625.92 = 1,899,625.92 : x
  2. Step 2: Convert to fraction form
    1,217,287.62/1,899,625.92 = 1,899,625.92/x
  3. Step 3: Cross multiply
    1,217,287.62x = 1,899,625.92 × 1,899,625.92
  4. Step 4: Simplify right side
    1,217,287.62x = 3,608,578,643,059.44
  5. Step 5: Solve for x
    x = 3,608,578,643,059.44/1,217,287.62
  6. Step 6: Final answer
    x = 2,964,442.09

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