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Finding the Third Proportional to 296.37 and 553.92

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Solution

The third proportional to 296.37 and 553.92 is: 1,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.37 : 553.92 = 553.92 : x
  2. Step 2: Convert to fraction form
    296.37/553.92 = 553.92/x
  3. Step 3: Cross multiply
    296.37x = 553.92 × 553.92
  4. Step 4: Simplify right side
    296.37x = 306,829.44
  5. Step 5: Solve for x
    x = 306,829.44/296.37
  6. Step 6: Final answer
    x = 1,035.30

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.