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Finding the Third Proportional to 244.13 and 393.12

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Solution

The third proportional to 244.13 and 393.12 is: 633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.13 : 393.12 = 393.12 : x
  2. Step 2: Convert to fraction form
    244.13/393.12 = 393.12/x
  3. Step 3: Cross multiply
    244.13x = 393.12 × 393.12
  4. Step 4: Simplify right side
    244.13x = 154,541.12
  5. Step 5: Solve for x
    x = 154,541.12/244.13
  6. Step 6: Final answer
    x = 633.04

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.