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Finding the Third Proportional to 67,873,851 and 143,891,948

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Solution

The third proportional to 67,873,851 and 143,891,948 is: 305,049,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,873,851 : 143,891,948 = 143,891,948 : x
  2. Step 2: Convert to fraction form
    67,873,851/143,891,948 = 143,891,948/x
  3. Step 3: Cross multiply
    67,873,851x = 143,891,948 × 143,891,948
  4. Step 4: Simplify right side
    67,873,851x = 20,704,892,699,234,704
  5. Step 5: Solve for x
    x = 20,704,892,699,234,704/67,873,851
  6. Step 6: Final answer
    x = 305,049,623.59

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.