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Finding the Third Proportional to 3,535.31 and 5,435.44

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Solution

The third proportional to 3,535.31 and 5,435.44 is: 8,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.31 : 5,435.44 = 5,435.44 : x
  2. Step 2: Convert to fraction form
    3,535.31/5,435.44 = 5,435.44/x
  3. Step 3: Cross multiply
    3,535.31x = 5,435.44 × 5,435.44
  4. Step 4: Simplify right side
    3,535.31x = 29,543,980.82
  5. Step 5: Solve for x
    x = 29,543,980.82/3,535.31
  6. Step 6: Final answer
    x = 8,356.82

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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.