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Finding the Third Proportional to 235.88 and 512.06

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Solution

The third proportional to 235.88 and 512.06 is: 1,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.88 : 512.06 = 512.06 : x
  2. Step 2: Convert to fraction form
    235.88/512.06 = 512.06/x
  3. Step 3: Cross multiply
    235.88x = 512.06 × 512.06
  4. Step 4: Simplify right side
    235.88x = 262,208.00
  5. Step 5: Solve for x
    x = 262,208.00/235.88
  6. Step 6: Final answer
    x = 1,111.64

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.