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Finding the Third Proportional to 100,372.50 and 136,251

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Solution

The third proportional to 100,372.50 and 136,251 is: 184,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,372.50 : 136,251 = 136,251 : x
  2. Step 2: Convert to fraction form
    100,372.50/136,251 = 136,251/x
  3. Step 3: Cross multiply
    100,372.50x = 136,251 × 136,251
  4. Step 4: Simplify right side
    100,372.50x = 18,564,335,001
  5. Step 5: Solve for x
    x = 18,564,335,001/100,372.50
  6. Step 6: Final answer
    x = 184,954.39

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.