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Finding the Third Proportional to 66,433.50 and 100,879.88

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Solution

The third proportional to 66,433.50 and 100,879.88 is: 153,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433.50 : 100,879.88 = 100,879.88 : x
  2. Step 2: Convert to fraction form
    66,433.50/100,879.88 = 100,879.88/x
  3. Step 3: Cross multiply
    66,433.50x = 100,879.88 × 100,879.88
  4. Step 4: Simplify right side
    66,433.50x = 10,176,749,180.02
  5. Step 5: Solve for x
    x = 10,176,749,180.02/66,433.50
  6. Step 6: Final answer
    x = 153,187.01

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.