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Finding the Third Proportional to 480.54 and 1,018.75

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Solution

The third proportional to 480.54 and 1,018.75 is: 2,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.54 : 1,018.75 = 1,018.75 : x
  2. Step 2: Convert to fraction form
    480.54/1,018.75 = 1,018.75/x
  3. Step 3: Cross multiply
    480.54x = 1,018.75 × 1,018.75
  4. Step 4: Simplify right side
    480.54x = 1,037,849.57
  5. Step 5: Solve for x
    x = 1,037,849.57/480.54
  6. Step 6: Final answer
    x = 2,159.75

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.