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Finding the Third Proportional to 5,506 and 7,271

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Solution

The third proportional to 5,506 and 7,271 is: 9,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506 : 7,271 = 7,271 : x
  2. Step 2: Convert to fraction form
    5,506/7,271 = 7,271/x
  3. Step 3: Cross multiply
    5,506x = 7,271 × 7,271
  4. Step 4: Simplify right side
    5,506x = 52,867,441
  5. Step 5: Solve for x
    x = 52,867,441/5,506
  6. Step 6: Final answer
    x = 9,601.79

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.