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Finding the Third Proportional to 230.88 and 505.06

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Solution

The third proportional to 230.88 and 505.06 is: 1,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.88 : 505.06 = 505.06 : x
  2. Step 2: Convert to fraction form
    230.88/505.06 = 505.06/x
  3. Step 3: Cross multiply
    230.88x = 505.06 × 505.06
  4. Step 4: Simplify right side
    230.88x = 255,088.13
  5. Step 5: Solve for x
    x = 255,088.13/230.88
  6. Step 6: Final answer
    x = 1,104.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.