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Finding the Third Proportional to 483.75 and 851.63

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Solution

The third proportional to 483.75 and 851.63 is: 1,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.75 : 851.63 = 851.63 : x
  2. Step 2: Convert to fraction form
    483.75/851.63 = 851.63/x
  3. Step 3: Cross multiply
    483.75x = 851.63 × 851.63
  4. Step 4: Simplify right side
    483.75x = 725,265.14
  5. Step 5: Solve for x
    x = 725,265.14/483.75
  6. Step 6: Final answer
    x = 1,499.26

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.