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Finding the Third Proportional to 1,855,382,760 and 3,976,357,959

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Solution

The third proportional to 1,855,382,760 and 3,976,357,959 is: 8,521,919,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,382,760 : 3,976,357,959 = 3,976,357,959 : x
  2. Step 2: Convert to fraction form
    1,855,382,760/3,976,357,959 = 3,976,357,959/x
  3. Step 3: Cross multiply
    1,855,382,760x = 3,976,357,959 × 3,976,357,959
  4. Step 4: Simplify right side
    1,855,382,760x = 15,811,422,618,102,644,736
  5. Step 5: Solve for x
    x = 15,811,422,618,102,644,736/1,855,382,760
  6. Step 6: Final answer
    x = 8,521,919,551.58

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.