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Finding the Third Proportional to 30,883,608 and 66,553,884

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Solution

The third proportional to 30,883,608 and 66,553,884 is: 143,422,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,883,608 : 66,553,884 = 66,553,884 : x
  2. Step 2: Convert to fraction form
    30,883,608/66,553,884 = 66,553,884/x
  3. Step 3: Cross multiply
    30,883,608x = 66,553,884 × 66,553,884
  4. Step 4: Simplify right side
    30,883,608x = 4,429,419,475,485,456
  5. Step 5: Solve for x
    x = 4,429,419,475,485,456/30,883,608
  6. Step 6: Final answer
    x = 143,422,992.40

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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.