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Finding the Third Proportional to 2,216 and 2,954.50

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Solution

The third proportional to 2,216 and 2,954.50 is: 3,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216 : 2,954.50 = 2,954.50 : x
  2. Step 2: Convert to fraction form
    2,216/2,954.50 = 2,954.50/x
  3. Step 3: Cross multiply
    2,216x = 2,954.50 × 2,954.50
  4. Step 4: Simplify right side
    2,216x = 8,729,070.25
  5. Step 5: Solve for x
    x = 8,729,070.25/2,216
  6. Step 6: Final answer
    x = 3,939.11

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.