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Finding the Third Proportional to 905.50 and 2,077

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Solution

The third proportional to 905.50 and 2,077 is: 4,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    905.50 : 2,077 = 2,077 : x
  2. Step 2: Convert to fraction form
    905.50/2,077 = 2,077/x
  3. Step 3: Cross multiply
    905.50x = 2,077 × 2,077
  4. Step 4: Simplify right side
    905.50x = 4,313,929
  5. Step 5: Solve for x
    x = 4,313,929/905.50
  6. Step 6: Final answer
    x = 4,764.14

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.