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Finding the Third Proportional to 877 and 2,077

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Solution

The third proportional to 877 and 2,077 is: 4,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    877 : 2,077 = 2,077 : x
  2. Step 2: Convert to fraction form
    877/2,077 = 2,077/x
  3. Step 3: Cross multiply
    877x = 2,077 × 2,077
  4. Step 4: Simplify right side
    877x = 4,313,929
  5. Step 5: Solve for x
    x = 4,313,929/877
  6. Step 6: Final answer
    x = 4,918.96

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.