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Finding the Third Proportional to 18,615,690,852 and 26,121,499,422.75

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Solution

The third proportional to 18,615,690,852 and 26,121,499,422.75 is: 36,653,634,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615,690,852 : 26,121,499,422.75 = 26,121,499,422.75 : x
  2. Step 2: Convert to fraction form
    18,615,690,852/26,121,499,422.75 = 26,121,499,422.75/x
  3. Step 3: Cross multiply
    18,615,690,852x = 26,121,499,422.75 × 26,121,499,422.75
  4. Step 4: Simplify right side
    18,615,690,852x = 682,332,732,092,728,606,720
  5. Step 5: Solve for x
    x = 682,332,732,092,728,606,720/18,615,690,852
  6. Step 6: Final answer
    x = 36,653,634,695.45

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.