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Finding the Third Proportional to 67,086,002 and 143,739,400

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Solution

The third proportional to 67,086,002 and 143,739,400 is: 307,978,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,086,002 : 143,739,400 = 143,739,400 : x
  2. Step 2: Convert to fraction form
    67,086,002/143,739,400 = 143,739,400/x
  3. Step 3: Cross multiply
    67,086,002x = 143,739,400 × 143,739,400
  4. Step 4: Simplify right side
    67,086,002x = 20,661,015,112,360,000
  5. Step 5: Solve for x
    x = 20,661,015,112,360,000/67,086,002
  6. Step 6: Final answer
    x = 307,978,035.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.