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Finding the Third Proportional to 27,992,229 and 43,445,615

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Solution

The third proportional to 27,992,229 and 43,445,615 is: 67,430,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,992,229 : 43,445,615 = 43,445,615 : x
  2. Step 2: Convert to fraction form
    27,992,229/43,445,615 = 43,445,615/x
  3. Step 3: Cross multiply
    27,992,229x = 43,445,615 × 43,445,615
  4. Step 4: Simplify right side
    27,992,229x = 1,887,521,462,728,225
  5. Step 5: Solve for x
    x = 1,887,521,462,728,225/27,992,229
  6. Step 6: Final answer
    x = 67,430,195.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.