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Finding the Third Proportional to 66,001.50 and 102,249

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Solution

The third proportional to 66,001.50 and 102,249 is: 158,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,001.50 : 102,249 = 102,249 : x
  2. Step 2: Convert to fraction form
    66,001.50/102,249 = 102,249/x
  3. Step 3: Cross multiply
    66,001.50x = 102,249 × 102,249
  4. Step 4: Simplify right side
    66,001.50x = 10,454,858,001
  5. Step 5: Solve for x
    x = 10,454,858,001/66,001.50
  6. Step 6: Final answer
    x = 158,403.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.