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Finding the Third Proportional to 67,296,404 and 143,919,267

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Solution

The third proportional to 67,296,404 and 143,919,267 is: 307,783,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,296,404 : 143,919,267 = 143,919,267 : x
  2. Step 2: Convert to fraction form
    67,296,404/143,919,267 = 143,919,267/x
  3. Step 3: Cross multiply
    67,296,404x = 143,919,267 × 143,919,267
  4. Step 4: Simplify right side
    67,296,404x = 20,712,755,413,817,288
  5. Step 5: Solve for x
    x = 20,712,755,413,817,288/67,296,404
  6. Step 6: Final answer
    x = 307,783,985.22

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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.