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Finding the Third Proportional to 230.50 and 570.25

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Solution

The third proportional to 230.50 and 570.25 is: 1,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.50 : 570.25 = 570.25 : x
  2. Step 2: Convert to fraction form
    230.50/570.25 = 570.25/x
  3. Step 3: Cross multiply
    230.50x = 570.25 × 570.25
  4. Step 4: Simplify right side
    230.50x = 325,185.06
  5. Step 5: Solve for x
    x = 325,185.06/230.50
  6. Step 6: Final answer
    x = 1,410.78

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Why These Related Problems?

These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.