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Finding the Third Proportional to 753.26 and 1,631.81

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Solution

The third proportional to 753.26 and 1,631.81 is: 3,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    753.26 : 1,631.81 = 1,631.81 : x
  2. Step 2: Convert to fraction form
    753.26/1,631.81 = 1,631.81/x
  3. Step 3: Cross multiply
    753.26x = 1,631.81 × 1,631.81
  4. Step 4: Simplify right side
    753.26x = 2,662,812.04
  5. Step 5: Solve for x
    x = 2,662,812.04/753.26
  6. Step 6: Final answer
    x = 3,535.06

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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.