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Finding the Third Proportional to 553 and 596

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Solution

The third proportional to 553 and 596 is: 642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    553 : 596 = 596 : x
  2. Step 2: Convert to fraction form
    553/596 = 596/x
  3. Step 3: Cross multiply
    553x = 596 × 596
  4. Step 4: Simplify right side
    553x = 355,216
  5. Step 5: Solve for x
    x = 355,216/553
  6. Step 6: Final answer
    x = 642.34

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These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.