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Finding the Third Proportional to 18,615,690,866 and 26,121,499,440

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Solution

The third proportional to 18,615,690,866 and 26,121,499,440 is: 36,653,634,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615,690,866 : 26,121,499,440 = 26,121,499,440 : x
  2. Step 2: Convert to fraction form
    18,615,690,866/26,121,499,440 = 26,121,499,440/x
  3. Step 3: Cross multiply
    18,615,690,866x = 26,121,499,440 × 26,121,499,440
  4. Step 4: Simplify right side
    18,615,690,866x = 682,332,732,993,920,303,104
  5. Step 5: Solve for x
    x = 682,332,732,993,920,303,104/18,615,690,866
  6. Step 6: Final answer
    x = 36,653,634,716.30

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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.