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Finding the Third Proportional to 83 and 214.50

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Solution

The third proportional to 83 and 214.50 is: 554.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83 : 214.50 = 214.50 : x
  2. Step 2: Convert to fraction form
    83/214.50 = 214.50/x
  3. Step 3: Cross multiply
    83x = 214.50 × 214.50
  4. Step 4: Simplify right side
    83x = 46,010.25
  5. Step 5: Solve for x
    x = 46,010.25/83
  6. Step 6: Final answer
    x = 554.34

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Why These Related Problems?

These problems maintain the same ratio (2.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.