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Finding the Third Proportional to 187.50 and 253

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Solution

The third proportional to 187.50 and 253 is: 341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.50 : 253 = 253 : x
  2. Step 2: Convert to fraction form
    187.50/253 = 253/x
  3. Step 3: Cross multiply
    187.50x = 253 × 253
  4. Step 4: Simplify right side
    187.50x = 64,009
  5. Step 5: Solve for x
    x = 64,009/187.50
  6. Step 6: Final answer
    x = 341.38

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.