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Finding the Third Proportional to 371.25 and 556.13

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Solution

The third proportional to 371.25 and 556.13 is: 833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.25 : 556.13 = 556.13 : x
  2. Step 2: Convert to fraction form
    371.25/556.13 = 556.13/x
  3. Step 3: Cross multiply
    371.25x = 556.13 × 556.13
  4. Step 4: Simplify right side
    371.25x = 309,275.02
  5. Step 5: Solve for x
    x = 309,275.02/371.25
  6. Step 6: Final answer
    x = 833.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.