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Finding the Third Proportional to 475.22 and 1,011.19

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Solution

The third proportional to 475.22 and 1,011.19 is: 2,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.22 : 1,011.19 = 1,011.19 : x
  2. Step 2: Convert to fraction form
    475.22/1,011.19 = 1,011.19/x
  3. Step 3: Cross multiply
    475.22x = 1,011.19 × 1,011.19
  4. Step 4: Simplify right side
    475.22x = 1,022,500.16
  5. Step 5: Solve for x
    x = 1,022,500.16/475.22
  6. Step 6: Final answer
    x = 2,151.64

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.