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Finding the Third Proportional to 87,171,777,628 and 124,655,790,456

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Solution

The third proportional to 87,171,777,628 and 124,655,790,456 is: 178,257,992,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,171,777,628 : 124,655,790,456 = 124,655,790,456 : x
  2. Step 2: Convert to fraction form
    87,171,777,628/124,655,790,456 = 124,655,790,456/x
  3. Step 3: Cross multiply
    87,171,777,628x = 124,655,790,456 × 124,655,790,456
  4. Step 4: Simplify right side
    87,171,777,628x = 15,539,066,094,210,181,496,832
  5. Step 5: Solve for x
    x = 15,539,066,094,210,181,496,832/87,171,777,628
  6. Step 6: Final answer
    x = 178,257,992,632.92

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.