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Finding the Third Proportional to 268 and 632.25

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Solution

The third proportional to 268 and 632.25 is: 1,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    268 : 632.25 = 632.25 : x
  2. Step 2: Convert to fraction form
    268/632.25 = 632.25/x
  3. Step 3: Cross multiply
    268x = 632.25 × 632.25
  4. Step 4: Simplify right side
    268x = 399,740.06
  5. Step 5: Solve for x
    x = 399,740.06/268
  6. Step 6: Final answer
    x = 1,491.57

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.