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Finding the Third Proportional to 1,918,074 and 2,863,979

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Solution

The third proportional to 1,918,074 and 2,863,979 is: 4,276,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,074 : 2,863,979 = 2,863,979 : x
  2. Step 2: Convert to fraction form
    1,918,074/2,863,979 = 2,863,979/x
  3. Step 3: Cross multiply
    1,918,074x = 2,863,979 × 2,863,979
  4. Step 4: Simplify right side
    1,918,074x = 8,202,375,712,441
  5. Step 5: Solve for x
    x = 8,202,375,712,441/1,918,074
  6. Step 6: Final answer
    x = 4,276,360.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.