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Finding the Third Proportional to 371.88 and 583.19

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Solution

The third proportional to 371.88 and 583.19 is: 914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.88 : 583.19 = 583.19 : x
  2. Step 2: Convert to fraction form
    371.88/583.19 = 583.19/x
  3. Step 3: Cross multiply
    371.88x = 583.19 × 583.19
  4. Step 4: Simplify right side
    371.88x = 340,107.66
  5. Step 5: Solve for x
    x = 340,107.66/371.88
  6. Step 6: Final answer
    x = 914.58

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.