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Finding the Third Proportional to 3,538 and 9,076

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Solution

The third proportional to 3,538 and 9,076 is: 23,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538 : 9,076 = 9,076 : x
  2. Step 2: Convert to fraction form
    3,538/9,076 = 9,076/x
  3. Step 3: Cross multiply
    3,538x = 9,076 × 9,076
  4. Step 4: Simplify right side
    3,538x = 82,373,776
  5. Step 5: Solve for x
    x = 82,373,776/3,538
  6. Step 6: Final answer
    x = 23,282.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.