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Finding the Third Proportional to 88,485,578 and 138,504,097

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Solution

The third proportional to 88,485,578 and 138,504,097 is: 216,796,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,485,578 : 138,504,097 = 138,504,097 : x
  2. Step 2: Convert to fraction form
    88,485,578/138,504,097 = 138,504,097/x
  3. Step 3: Cross multiply
    88,485,578x = 138,504,097 × 138,504,097
  4. Step 4: Simplify right side
    88,485,578x = 19,183,384,885,785,408
  5. Step 5: Solve for x
    x = 19,183,384,885,785,408/88,485,578
  6. Step 6: Final answer
    x = 216,796,740.43

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.