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Finding the Third Proportional to 745.88 and 843.75

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Solution

The third proportional to 745.88 and 843.75 is: 954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    745.88 : 843.75 = 843.75 : x
  2. Step 2: Convert to fraction form
    745.88/843.75 = 843.75/x
  3. Step 3: Cross multiply
    745.88x = 843.75 × 843.75
  4. Step 4: Simplify right side
    745.88x = 711,914.06
  5. Step 5: Solve for x
    x = 711,914.06/745.88
  6. Step 6: Final answer
    x = 954.47

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.