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Finding the Third Proportional to 4,280,690,430 and 9,403,183,404

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Solution

The third proportional to 4,280,690,430 and 9,403,183,404 is: 20,655,513,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,690,430 : 9,403,183,404 = 9,403,183,404 : x
  2. Step 2: Convert to fraction form
    4,280,690,430/9,403,183,404 = 9,403,183,404/x
  3. Step 3: Cross multiply
    4,280,690,430x = 9,403,183,404 × 9,403,183,404
  4. Step 4: Simplify right side
    4,280,690,430x = 88,419,858,129,261,019,136
  5. Step 5: Solve for x
    x = 88,419,858,129,261,019,136/4,280,690,430
  6. Step 6: Final answer
    x = 20,655,513,304.49

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.