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Finding the Third Proportional to 233.51 and 512.58

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Solution

The third proportional to 233.51 and 512.58 is: 1,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.51 : 512.58 = 512.58 : x
  2. Step 2: Convert to fraction form
    233.51/512.58 = 512.58/x
  3. Step 3: Cross multiply
    233.51x = 512.58 × 512.58
  4. Step 4: Simplify right side
    233.51x = 262,736.33
  5. Step 5: Solve for x
    x = 262,736.33/233.51
  6. Step 6: Final answer
    x = 1,125.17

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.