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Finding the Third Proportional to 3,689,426.81 and 8,105,219.44

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Solution

The third proportional to 3,689,426.81 and 8,105,219.44 is: 17,806,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,426.81 : 8,105,219.44 = 8,105,219.44 : x
  2. Step 2: Convert to fraction form
    3,689,426.81/8,105,219.44 = 8,105,219.44/x
  3. Step 3: Cross multiply
    3,689,426.81x = 8,105,219.44 × 8,105,219.44
  4. Step 4: Simplify right side
    3,689,426.81x = 65,694,582,130,027.81
  5. Step 5: Solve for x
    x = 65,694,582,130,027.81/3,689,426.81
  6. Step 6: Final answer
    x = 17,806,175.72

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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.