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Finding the Third Proportional to 745.31 and 1,616.06

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Solution

The third proportional to 745.31 and 1,616.06 is: 3,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    745.31 : 1,616.06 = 1,616.06 : x
  2. Step 2: Convert to fraction form
    745.31/1,616.06 = 1,616.06/x
  3. Step 3: Cross multiply
    745.31x = 1,616.06 × 1,616.06
  4. Step 4: Simplify right side
    745.31x = 2,611,658.00
  5. Step 5: Solve for x
    x = 2,611,658.00/745.31
  6. Step 6: Final answer
    x = 3,504.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.