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Finding the Third Proportional to 5,162,873,579 and 7,805,777,052.50

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Solution

The third proportional to 5,162,873,579 and 7,805,777,052.50 is: 11,801,597,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,873,579 : 7,805,777,052.50 = 7,805,777,052.50 : x
  2. Step 2: Convert to fraction form
    5,162,873,579/7,805,777,052.50 = 7,805,777,052.50/x
  3. Step 3: Cross multiply
    5,162,873,579x = 7,805,777,052.50 × 7,805,777,052.50
  4. Step 4: Simplify right side
    5,162,873,579x = 60,930,155,393,335,590,912
  5. Step 5: Solve for x
    x = 60,930,155,393,335,590,912/5,162,873,579
  6. Step 6: Final answer
    x = 11,801,597,397.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.