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Finding the Third Proportional to 127,818,982 and 279,552,884

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Solution

The third proportional to 127,818,982 and 279,552,884 is: 611,410,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,818,982 : 279,552,884 = 279,552,884 : x
  2. Step 2: Convert to fraction form
    127,818,982/279,552,884 = 279,552,884/x
  3. Step 3: Cross multiply
    127,818,982x = 279,552,884 × 279,552,884
  4. Step 4: Simplify right side
    127,818,982x = 78,149,814,952,717,456
  5. Step 5: Solve for x
    x = 78,149,814,952,717,456/127,818,982
  6. Step 6: Final answer
    x = 611,410,087.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.