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Finding the Third Proportional to 186.50 and 503.25

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Solution

The third proportional to 186.50 and 503.25 is: 1,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.50 : 503.25 = 503.25 : x
  2. Step 2: Convert to fraction form
    186.50/503.25 = 503.25/x
  3. Step 3: Cross multiply
    186.50x = 503.25 × 503.25
  4. Step 4: Simplify right side
    186.50x = 253,260.56
  5. Step 5: Solve for x
    x = 253,260.56/186.50
  6. Step 6: Final answer
    x = 1,357.97

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.