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Finding the Third Proportional to 521.34 and 1,133.44

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Solution

The third proportional to 521.34 and 1,133.44 is: 2,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    521.34 : 1,133.44 = 1,133.44 : x
  2. Step 2: Convert to fraction form
    521.34/1,133.44 = 1,133.44/x
  3. Step 3: Cross multiply
    521.34x = 1,133.44 × 1,133.44
  4. Step 4: Simplify right side
    521.34x = 1,284,680.57
  5. Step 5: Solve for x
    x = 1,284,680.57/521.34
  6. Step 6: Final answer
    x = 2,464.17

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.