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Finding the Third Proportional to 534.94 and 1,138.22

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Solution

The third proportional to 534.94 and 1,138.22 is: 2,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.94 : 1,138.22 = 1,138.22 : x
  2. Step 2: Convert to fraction form
    534.94/1,138.22 = 1,138.22/x
  3. Step 3: Cross multiply
    534.94x = 1,138.22 × 1,138.22
  4. Step 4: Simplify right side
    534.94x = 1,295,541.92
  5. Step 5: Solve for x
    x = 1,295,541.92/534.94
  6. Step 6: Final answer
    x = 2,421.86

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.