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Finding the Third Proportional to 66,090,204 and 143,160,120

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Solution

The third proportional to 66,090,204 and 143,160,120 is: 310,103,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090,204 : 143,160,120 = 143,160,120 : x
  2. Step 2: Convert to fraction form
    66,090,204/143,160,120 = 143,160,120/x
  3. Step 3: Cross multiply
    66,090,204x = 143,160,120 × 143,160,120
  4. Step 4: Simplify right side
    66,090,204x = 20,494,819,958,414,400
  5. Step 5: Solve for x
    x = 20,494,819,958,414,400/66,090,204
  6. Step 6: Final answer
    x = 310,103,747.88

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.