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Finding the Third Proportional to 901 and 2,219.50

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Solution

The third proportional to 901 and 2,219.50 is: 5,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    901 : 2,219.50 = 2,219.50 : x
  2. Step 2: Convert to fraction form
    901/2,219.50 = 2,219.50/x
  3. Step 3: Cross multiply
    901x = 2,219.50 × 2,219.50
  4. Step 4: Simplify right side
    901x = 4,926,180.25
  5. Step 5: Solve for x
    x = 4,926,180.25/901
  6. Step 6: Final answer
    x = 5,467.46

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Why These Related Problems?

These problems maintain the same ratio (2.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.