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Finding the Third Proportional to 742.03 and 1,603.03

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Solution

The third proportional to 742.03 and 1,603.03 is: 3,463.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    742.03 : 1,603.03 = 1,603.03 : x
  2. Step 2: Convert to fraction form
    742.03/1,603.03 = 1,603.03/x
  3. Step 3: Cross multiply
    742.03x = 1,603.03 × 1,603.03
  4. Step 4: Simplify right side
    742.03x = 2,569,709.19
  5. Step 5: Solve for x
    x = 2,569,709.19/742.03
  6. Step 6: Final answer
    x = 3,463.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.