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Finding the Third Proportional to 282 and 324.50

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Solution

The third proportional to 282 and 324.50 is: 373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    282 : 324.50 = 324.50 : x
  2. Step 2: Convert to fraction form
    282/324.50 = 324.50/x
  3. Step 3: Cross multiply
    282x = 324.50 × 324.50
  4. Step 4: Simplify right side
    282x = 105,300.25
  5. Step 5: Solve for x
    x = 105,300.25/282
  6. Step 6: Final answer
    x = 373.41

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.