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Finding the Third Proportional to 483.50 and 769

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Solution

The third proportional to 483.50 and 769 is: 1,223.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.50 : 769 = 769 : x
  2. Step 2: Convert to fraction form
    483.50/769 = 769/x
  3. Step 3: Cross multiply
    483.50x = 769 × 769
  4. Step 4: Simplify right side
    483.50x = 591,361
  5. Step 5: Solve for x
    x = 591,361/483.50
  6. Step 6: Final answer
    x = 1,223.08

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.