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Finding the Third Proportional to 467.50 and 988.75

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Solution

The third proportional to 467.50 and 988.75 is: 2,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.50 : 988.75 = 988.75 : x
  2. Step 2: Convert to fraction form
    467.50/988.75 = 988.75/x
  3. Step 3: Cross multiply
    467.50x = 988.75 × 988.75
  4. Step 4: Simplify right side
    467.50x = 977,626.56
  5. Step 5: Solve for x
    x = 977,626.56/467.50
  6. Step 6: Final answer
    x = 2,091.18

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.