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Finding the Third Proportional to 1,798,745.56 and 2,767,591.90

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Solution

The third proportional to 1,798,745.56 and 2,767,591.90 is: 4,258,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,745.56 : 2,767,591.90 = 2,767,591.90 : x
  2. Step 2: Convert to fraction form
    1,798,745.56/2,767,591.90 = 2,767,591.90/x
  3. Step 3: Cross multiply
    1,798,745.56x = 2,767,591.90 × 2,767,591.90
  4. Step 4: Simplify right side
    1,798,745.56x = 7,659,564,940,621.25
  5. Step 5: Solve for x
    x = 7,659,564,940,621.25/1,798,745.56
  6. Step 6: Final answer
    x = 4,258,281.49

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.