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Finding the Third Proportional to 1,693,806,878 and 3,669,011,766

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Solution

The third proportional to 1,693,806,878 and 3,669,011,766 is: 7,947,569,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,806,878 : 3,669,011,766 = 3,669,011,766 : x
  2. Step 2: Convert to fraction form
    1,693,806,878/3,669,011,766 = 3,669,011,766/x
  3. Step 3: Cross multiply
    1,693,806,878x = 3,669,011,766 × 3,669,011,766
  4. Step 4: Simplify right side
    1,693,806,878x = 13,461,647,339,046,438,912
  5. Step 5: Solve for x
    x = 13,461,647,339,046,438,912/1,693,806,878
  6. Step 6: Final answer
    x = 7,947,569,179.16

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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.