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Finding the Third Proportional to 9,981,644,387 and 15,505,168,910.25

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Solution

The third proportional to 9,981,644,387 and 15,505,168,910.25 is: 24,085,236,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,644,387 : 15,505,168,910.25 = 15,505,168,910.25 : x
  2. Step 2: Convert to fraction form
    9,981,644,387/15,505,168,910.25 = 15,505,168,910.25/x
  3. Step 3: Cross multiply
    9,981,644,387x = 15,505,168,910.25 × 15,505,168,910.25
  4. Step 4: Simplify right side
    9,981,644,387x = 240,410,262,935,383,179,264
  5. Step 5: Solve for x
    x = 240,410,262,935,383,179,264/9,981,644,387
  6. Step 6: Final answer
    x = 24,085,236,221.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.