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Finding the Third Proportional to 8,661,159 and 18,601,712

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Solution

The third proportional to 8,661,159 and 18,601,712 is: 39,951,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661,159 : 18,601,712 = 18,601,712 : x
  2. Step 2: Convert to fraction form
    8,661,159/18,601,712 = 18,601,712/x
  3. Step 3: Cross multiply
    8,661,159x = 18,601,712 × 18,601,712
  4. Step 4: Simplify right side
    8,661,159x = 346,023,689,330,944
  5. Step 5: Solve for x
    x = 346,023,689,330,944/8,661,159
  6. Step 6: Final answer
    x = 39,951,199.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.