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Finding the Third Proportional to 186.66 and 342.52

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Solution

The third proportional to 186.66 and 342.52 is: 628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.66 : 342.52 = 342.52 : x
  2. Step 2: Convert to fraction form
    186.66/342.52 = 342.52/x
  3. Step 3: Cross multiply
    186.66x = 342.52 × 342.52
  4. Step 4: Simplify right side
    186.66x = 117,316.95
  5. Step 5: Solve for x
    x = 117,316.95/186.66
  6. Step 6: Final answer
    x = 628.52

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.