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Finding the Third Proportional to 1,693,806,856 and 3,669,011,721

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Solution

The third proportional to 1,693,806,856 and 3,669,011,721 is: 7,947,569,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,806,856 : 3,669,011,721 = 3,669,011,721 : x
  2. Step 2: Convert to fraction form
    1,693,806,856/3,669,011,721 = 3,669,011,721/x
  3. Step 3: Cross multiply
    1,693,806,856x = 3,669,011,721 × 3,669,011,721
  4. Step 4: Simplify right side
    1,693,806,856x = 13,461,647,008,835,381,248
  5. Step 5: Solve for x
    x = 13,461,647,008,835,381,248/1,693,806,856
  6. Step 6: Final answer
    x = 7,947,569,087.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.