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Finding the Third Proportional to 117,996,542,836 and 259,528,880,372

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Solution

The third proportional to 117,996,542,836 and 259,528,880,372 is: 570,823,840,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,996,542,836 : 259,528,880,372 = 259,528,880,372 : x
  2. Step 2: Convert to fraction form
    117,996,542,836/259,528,880,372 = 259,528,880,372/x
  3. Step 3: Cross multiply
    117,996,542,836x = 259,528,880,372 × 259,528,880,372
  4. Step 4: Simplify right side
    117,996,542,836x = 67,355,239,747,143,889,584,128
  5. Step 5: Solve for x
    x = 67,355,239,747,143,889,584,128/117,996,542,836
  6. Step 6: Final answer
    x = 570,823,840,498.10

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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.