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Finding the Third Proportional to 868,498.03 and 1,913,687.44

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Solution

The third proportional to 868,498.03 and 1,913,687.44 is: 4,216,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,498.03 : 1,913,687.44 = 1,913,687.44 : x
  2. Step 2: Convert to fraction form
    868,498.03/1,913,687.44 = 1,913,687.44/x
  3. Step 3: Cross multiply
    868,498.03x = 1,913,687.44 × 1,913,687.44
  4. Step 4: Simplify right side
    868,498.03x = 3,662,199,608,445.32
  5. Step 5: Solve for x
    x = 3,662,199,608,445.32/868,498.03
  6. Step 6: Final answer
    x = 4,216,704.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.