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Finding the Third Proportional to 66,550.50 and 100,518.50

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Solution

The third proportional to 66,550.50 and 100,518.50 is: 151,824.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,550.50 : 100,518.50 = 100,518.50 : x
  2. Step 2: Convert to fraction form
    66,550.50/100,518.50 = 100,518.50/x
  3. Step 3: Cross multiply
    66,550.50x = 100,518.50 × 100,518.50
  4. Step 4: Simplify right side
    66,550.50x = 10,103,968,842.25
  5. Step 5: Solve for x
    x = 10,103,968,842.25/66,550.50
  6. Step 6: Final answer
    x = 151,824.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.