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Finding the Third Proportional to 594.21 and 874.23

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Solution

The third proportional to 594.21 and 874.23 is: 1,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.21 : 874.23 = 874.23 : x
  2. Step 2: Convert to fraction form
    594.21/874.23 = 874.23/x
  3. Step 3: Cross multiply
    594.21x = 874.23 × 874.23
  4. Step 4: Simplify right side
    594.21x = 764,278.91
  5. Step 5: Solve for x
    x = 764,278.91/594.21
  6. Step 6: Final answer
    x = 1,286.21

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.