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Finding the Third Proportional to 920.53 and 2,003.06

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Solution

The third proportional to 920.53 and 2,003.06 is: 4,358.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    920.53 : 2,003.06 = 2,003.06 : x
  2. Step 2: Convert to fraction form
    920.53/2,003.06 = 2,003.06/x
  3. Step 3: Cross multiply
    920.53x = 2,003.06 × 2,003.06
  4. Step 4: Simplify right side
    920.53x = 4,012,259.38
  5. Step 5: Solve for x
    x = 4,012,259.38/920.53
  6. Step 6: Final answer
    x = 4,358.63

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.