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Finding the Third Proportional to 66,392.69 and 100,143.84

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Solution

The third proportional to 66,392.69 and 100,143.84 is: 151,052.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,392.69 : 100,143.84 = 100,143.84 : x
  2. Step 2: Convert to fraction form
    66,392.69/100,143.84 = 100,143.84/x
  3. Step 3: Cross multiply
    66,392.69x = 100,143.84 × 100,143.84
  4. Step 4: Simplify right side
    66,392.69x = 10,028,789,441.02
  5. Step 5: Solve for x
    x = 10,028,789,441.02/66,392.69
  6. Step 6: Final answer
    x = 151,052.62

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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.