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Finding the Third Proportional to 417.75 and 964.50

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Solution

The third proportional to 417.75 and 964.50 is: 2,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    417.75 : 964.50 = 964.50 : x
  2. Step 2: Convert to fraction form
    417.75/964.50 = 964.50/x
  3. Step 3: Cross multiply
    417.75x = 964.50 × 964.50
  4. Step 4: Simplify right side
    417.75x = 930,260.25
  5. Step 5: Solve for x
    x = 930,260.25/417.75
  6. Step 6: Final answer
    x = 2,226.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.