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Finding the Third Proportional to 943.52 and 2,069.30

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Solution

The third proportional to 943.52 and 2,069.30 is: 4,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    943.52 : 2,069.30 = 2,069.30 : x
  2. Step 2: Convert to fraction form
    943.52/2,069.30 = 2,069.30/x
  3. Step 3: Cross multiply
    943.52x = 2,069.30 × 2,069.30
  4. Step 4: Simplify right side
    943.52x = 4,281,989.56
  5. Step 5: Solve for x
    x = 4,281,989.56/943.52
  6. Step 6: Final answer
    x = 4,538.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.