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Finding the Third Proportional to 484.03 and 823.92

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Solution

The third proportional to 484.03 and 823.92 is: 1,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.03 : 823.92 = 823.92 : x
  2. Step 2: Convert to fraction form
    484.03/823.92 = 823.92/x
  3. Step 3: Cross multiply
    484.03x = 823.92 × 823.92
  4. Step 4: Simplify right side
    484.03x = 678,847.26
  5. Step 5: Solve for x
    x = 678,847.26/484.03
  6. Step 6: Final answer
    x = 1,402.49

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.