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Finding the Third Proportional to 552,917,379 and 1,187,890,392

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Solution

The third proportional to 552,917,379 and 1,187,890,392 is: 2,552,069,508.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,917,379 : 1,187,890,392 = 1,187,890,392 : x
  2. Step 2: Convert to fraction form
    552,917,379/1,187,890,392 = 1,187,890,392/x
  3. Step 3: Cross multiply
    552,917,379x = 1,187,890,392 × 1,187,890,392
  4. Step 4: Simplify right side
    552,917,379x = 1,411,083,583,405,913,600
  5. Step 5: Solve for x
    x = 1,411,083,583,405,913,600/552,917,379
  6. Step 6: Final answer
    x = 2,552,069,508.03

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.