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Finding the Third Proportional to 250.31 and 535.22

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Solution

The third proportional to 250.31 and 535.22 is: 1,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.31 : 535.22 = 535.22 : x
  2. Step 2: Convert to fraction form
    250.31/535.22 = 535.22/x
  3. Step 3: Cross multiply
    250.31x = 535.22 × 535.22
  4. Step 4: Simplify right side
    250.31x = 286,459.11
  5. Step 5: Solve for x
    x = 286,459.11/250.31
  6. Step 6: Final answer
    x = 1,144.41

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.