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Finding the Third Proportional to 18,588,009 and 40,264,061

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Solution

The third proportional to 18,588,009 and 40,264,061 is: 87,217,227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588,009 : 40,264,061 = 40,264,061 : x
  2. Step 2: Convert to fraction form
    18,588,009/40,264,061 = 40,264,061/x
  3. Step 3: Cross multiply
    18,588,009x = 40,264,061 × 40,264,061
  4. Step 4: Simplify right side
    18,588,009x = 1,621,194,608,211,721
  5. Step 5: Solve for x
    x = 1,621,194,608,211,721/18,588,009
  6. Step 6: Final answer
    x = 87,217,227.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.