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Finding the Third Proportional to 1,138,380.75 and 1,701,415.13

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Solution

The third proportional to 1,138,380.75 and 1,701,415.13 is: 2,542,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,380.75 : 1,701,415.13 = 1,701,415.13 : x
  2. Step 2: Convert to fraction form
    1,138,380.75/1,701,415.13 = 1,701,415.13/x
  3. Step 3: Cross multiply
    1,138,380.75x = 1,701,415.13 × 1,701,415.13
  4. Step 4: Simplify right side
    1,138,380.75x = 2,894,813,427,578.77
  5. Step 5: Solve for x
    x = 2,894,813,427,578.77/1,138,380.75
  6. Step 6: Final answer
    x = 2,542,921.98

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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.