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Finding the Third Proportional to 444.75 and 976.13

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Solution

The third proportional to 444.75 and 976.13 is: 2,142.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.75 : 976.13 = 976.13 : x
  2. Step 2: Convert to fraction form
    444.75/976.13 = 976.13/x
  3. Step 3: Cross multiply
    444.75x = 976.13 × 976.13
  4. Step 4: Simplify right side
    444.75x = 952,820.02
  5. Step 5: Solve for x
    x = 952,820.02/444.75
  6. Step 6: Final answer
    x = 2,142.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.