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Finding the Third Proportional to 270.84 and 574.59

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Solution

The third proportional to 270.84 and 574.59 is: 1,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.84 : 574.59 = 574.59 : x
  2. Step 2: Convert to fraction form
    270.84/574.59 = 574.59/x
  3. Step 3: Cross multiply
    270.84x = 574.59 × 574.59
  4. Step 4: Simplify right side
    270.84x = 330,157.98
  5. Step 5: Solve for x
    x = 330,157.98/270.84
  6. Step 6: Final answer
    x = 1,219.00

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.