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Finding the Third Proportional to 18,953,229 and 40,932,651

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Solution

The third proportional to 18,953,229 and 40,932,651 is: 88,400,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953,229 : 40,932,651 = 40,932,651 : x
  2. Step 2: Convert to fraction form
    18,953,229/40,932,651 = 40,932,651/x
  3. Step 3: Cross multiply
    18,953,229x = 40,932,651 × 40,932,651
  4. Step 4: Simplify right side
    18,953,229x = 1,675,481,917,887,801
  5. Step 5: Solve for x
    x = 1,675,481,917,887,801/18,953,229
  6. Step 6: Final answer
    x = 88,400,869.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.