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Finding the Third Proportional to 18,285,330,837 and 27,974,508,855

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Solution

The third proportional to 18,285,330,837 and 27,974,508,855 is: 42,797,866,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285,330,837 : 27,974,508,855 = 27,974,508,855 : x
  2. Step 2: Convert to fraction form
    18,285,330,837/27,974,508,855 = 27,974,508,855/x
  3. Step 3: Cross multiply
    18,285,330,837x = 27,974,508,855 × 27,974,508,855
  4. Step 4: Simplify right side
    18,285,330,837x = 782,573,145,678,473,461,760
  5. Step 5: Solve for x
    x = 782,573,145,678,473,461,760/18,285,330,837
  6. Step 6: Final answer
    x = 42,797,866,369.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.