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Finding the Third Proportional to 1,309,644,372 and 1,963,985,517

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Solution

The third proportional to 1,309,644,372 and 1,963,985,517 is: 2,945,256,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,644,372 : 1,963,985,517 = 1,963,985,517 : x
  2. Step 2: Convert to fraction form
    1,309,644,372/1,963,985,517 = 1,963,985,517/x
  3. Step 3: Cross multiply
    1,309,644,372x = 1,963,985,517 × 1,963,985,517
  4. Step 4: Simplify right side
    1,309,644,372x = 3,857,239,110,985,757,184
  5. Step 5: Solve for x
    x = 3,857,239,110,985,757,184/1,309,644,372
  6. Step 6: Final answer
    x = 2,945,256,890.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.