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Finding the Third Proportional to 480.38 and 1,055.13

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Solution

The third proportional to 480.38 and 1,055.13 is: 2,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.38 : 1,055.13 = 1,055.13 : x
  2. Step 2: Convert to fraction form
    480.38/1,055.13 = 1,055.13/x
  3. Step 3: Cross multiply
    480.38x = 1,055.13 × 1,055.13
  4. Step 4: Simplify right side
    480.38x = 1,113,288.77
  5. Step 5: Solve for x
    x = 1,113,288.77/480.38
  6. Step 6: Final answer
    x = 2,317.54

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.