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Finding the Third Proportional to 296.16 and 635.34

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Solution

The third proportional to 296.16 and 635.34 is: 1,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.16 : 635.34 = 635.34 : x
  2. Step 2: Convert to fraction form
    296.16/635.34 = 635.34/x
  3. Step 3: Cross multiply
    296.16x = 635.34 × 635.34
  4. Step 4: Simplify right side
    296.16x = 403,661.68
  5. Step 5: Solve for x
    x = 403,661.68/296.16
  6. Step 6: Final answer
    x = 1,363.00

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.