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Finding the Third Proportional to 3,591,464,617 and 8,391,281,881

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Solution

The third proportional to 3,591,464,617 and 8,391,281,881 is: 19,605,820,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591,464,617 : 8,391,281,881 = 8,391,281,881 : x
  2. Step 2: Convert to fraction form
    3,591,464,617/8,391,281,881 = 8,391,281,881/x
  3. Step 3: Cross multiply
    3,591,464,617x = 8,391,281,881 × 8,391,281,881
  4. Step 4: Simplify right side
    3,591,464,617x = 70,413,611,606,398,894,080
  5. Step 5: Solve for x
    x = 70,413,611,606,398,894,080/3,591,464,617
  6. Step 6: Final answer
    x = 19,605,820,776.60

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.