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Finding the Third Proportional to 594 and 821

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Solution

The third proportional to 594 and 821 is: 1,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    594 : 821 = 821 : x
  2. Step 2: Convert to fraction form
    594/821 = 821/x
  3. Step 3: Cross multiply
    594x = 821 × 821
  4. Step 4: Simplify right side
    594x = 674,041
  5. Step 5: Solve for x
    x = 674,041/594
  6. Step 6: Final answer
    x = 1,134.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.