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Finding the Third Proportional to 248.17 and 535.46

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Solution

The third proportional to 248.17 and 535.46 is: 1,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.17 : 535.46 = 535.46 : x
  2. Step 2: Convert to fraction form
    248.17/535.46 = 535.46/x
  3. Step 3: Cross multiply
    248.17x = 535.46 × 535.46
  4. Step 4: Simplify right side
    248.17x = 286,722.60
  5. Step 5: Solve for x
    x = 286,722.60/248.17
  6. Step 6: Final answer
    x = 1,155.36

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.