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Finding the Third Proportional to 440.75 and 701.75

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Solution

The third proportional to 440.75 and 701.75 is: 1,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.75 : 701.75 = 701.75 : x
  2. Step 2: Convert to fraction form
    440.75/701.75 = 701.75/x
  3. Step 3: Cross multiply
    440.75x = 701.75 × 701.75
  4. Step 4: Simplify right side
    440.75x = 492,453.06
  5. Step 5: Solve for x
    x = 492,453.06/440.75
  6. Step 6: Final answer
    x = 1,117.31

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.