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Finding the Third Proportional to 1,313.72 and 2,844.28

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Solution

The third proportional to 1,313.72 and 2,844.28 is: 6,158.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313.72 : 2,844.28 = 2,844.28 : x
  2. Step 2: Convert to fraction form
    1,313.72/2,844.28 = 2,844.28/x
  3. Step 3: Cross multiply
    1,313.72x = 2,844.28 × 2,844.28
  4. Step 4: Simplify right side
    1,313.72x = 8,089,935.83
  5. Step 5: Solve for x
    x = 8,089,935.83/1,313.72
  6. Step 6: Final answer
    x = 6,158.04

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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.