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Finding the Third Proportional to 202 and 227.50

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Solution

The third proportional to 202 and 227.50 is: 256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202 : 227.50 = 227.50 : x
  2. Step 2: Convert to fraction form
    202/227.50 = 227.50/x
  3. Step 3: Cross multiply
    202x = 227.50 × 227.50
  4. Step 4: Simplify right side
    202x = 51,756.25
  5. Step 5: Solve for x
    x = 51,756.25/202
  6. Step 6: Final answer
    x = 256.22

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.