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Finding the Third Proportional to 737.72 and 1,589.06

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Solution

The third proportional to 737.72 and 1,589.06 is: 3,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.72 : 1,589.06 = 1,589.06 : x
  2. Step 2: Convert to fraction form
    737.72/1,589.06 = 1,589.06/x
  3. Step 3: Cross multiply
    737.72x = 1,589.06 × 1,589.06
  4. Step 4: Simplify right side
    737.72x = 2,525,119.63
  5. Step 5: Solve for x
    x = 2,525,119.63/737.72
  6. Step 6: Final answer
    x = 3,422.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.