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Finding the Third Proportional to 377.75 and 875.38

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Solution

The third proportional to 377.75 and 875.38 is: 2,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.75 : 875.38 = 875.38 : x
  2. Step 2: Convert to fraction form
    377.75/875.38 = 875.38/x
  3. Step 3: Cross multiply
    377.75x = 875.38 × 875.38
  4. Step 4: Simplify right side
    377.75x = 766,281.39
  5. Step 5: Solve for x
    x = 766,281.39/377.75
  6. Step 6: Final answer
    x = 2,028.54

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.