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Finding the Third Proportional to 1,322.58 and 2,884.36

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Solution

The third proportional to 1,322.58 and 2,884.36 is: 6,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.58 : 2,884.36 = 2,884.36 : x
  2. Step 2: Convert to fraction form
    1,322.58/2,884.36 = 2,884.36/x
  3. Step 3: Cross multiply
    1,322.58x = 2,884.36 × 2,884.36
  4. Step 4: Simplify right side
    1,322.58x = 8,319,529.00
  5. Step 5: Solve for x
    x = 8,319,529.00/1,322.58
  6. Step 6: Final answer
    x = 6,290.39

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.