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Finding the Third Proportional to 1,315,257,556 and 2,862,053,422

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Solution

The third proportional to 1,315,257,556 and 2,862,053,422 is: 6,227,943,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,257,556 : 2,862,053,422 = 2,862,053,422 : x
  2. Step 2: Convert to fraction form
    1,315,257,556/2,862,053,422 = 2,862,053,422/x
  3. Step 3: Cross multiply
    1,315,257,556x = 2,862,053,422 × 2,862,053,422
  4. Step 4: Simplify right side
    1,315,257,556x = 8,191,349,790,381,910,016
  5. Step 5: Solve for x
    x = 8,191,349,790,381,910,016/1,315,257,556
  6. Step 6: Final answer
    x = 6,227,943,533.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.