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Finding the Third Proportional to 371 and 625.50

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Solution

The third proportional to 371 and 625.50 is: 1,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371 : 625.50 = 625.50 : x
  2. Step 2: Convert to fraction form
    371/625.50 = 625.50/x
  3. Step 3: Cross multiply
    371x = 625.50 × 625.50
  4. Step 4: Simplify right side
    371x = 391,250.25
  5. Step 5: Solve for x
    x = 391,250.25/371
  6. Step 6: Final answer
    x = 1,054.58

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Why These Related Problems?

These problems maintain the same ratio (1.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.