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Finding the Third Proportional to 755.38 and 1,601.50

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Solution

The third proportional to 755.38 and 1,601.50 is: 3,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.38 : 1,601.50 = 1,601.50 : x
  2. Step 2: Convert to fraction form
    755.38/1,601.50 = 1,601.50/x
  3. Step 3: Cross multiply
    755.38x = 1,601.50 × 1,601.50
  4. Step 4: Simplify right side
    755.38x = 2,564,802.25
  5. Step 5: Solve for x
    x = 2,564,802.25/755.38
  6. Step 6: Final answer
    x = 3,395.40

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.