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Finding the Third Proportional to 967 and 1,427.50

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Solution

The third proportional to 967 and 1,427.50 is: 2,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    967 : 1,427.50 = 1,427.50 : x
  2. Step 2: Convert to fraction form
    967/1,427.50 = 1,427.50/x
  3. Step 3: Cross multiply
    967x = 1,427.50 × 1,427.50
  4. Step 4: Simplify right side
    967x = 2,037,756.25
  5. Step 5: Solve for x
    x = 2,037,756.25/967
  6. Step 6: Final answer
    x = 2,107.30

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.