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Finding the Third Proportional to 296.75 and 528.25

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Solution

The third proportional to 296.75 and 528.25 is: 940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.75 : 528.25 = 528.25 : x
  2. Step 2: Convert to fraction form
    296.75/528.25 = 528.25/x
  3. Step 3: Cross multiply
    296.75x = 528.25 × 528.25
  4. Step 4: Simplify right side
    296.75x = 279,048.06
  5. Step 5: Solve for x
    x = 279,048.06/296.75
  6. Step 6: Final answer
    x = 940.35

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.