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Finding the Third Proportional to 18,612,105.75 and 40,898,169

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Solution

The third proportional to 18,612,105.75 and 40,898,169 is: 89,869,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612,105.75 : 40,898,169 = 40,898,169 : x
  2. Step 2: Convert to fraction form
    18,612,105.75/40,898,169 = 40,898,169/x
  3. Step 3: Cross multiply
    18,612,105.75x = 40,898,169 × 40,898,169
  4. Step 4: Simplify right side
    18,612,105.75x = 1,672,660,227,552,561
  5. Step 5: Solve for x
    x = 1,672,660,227,552,561/18,612,105.75
  6. Step 6: Final answer
    x = 89,869,477.96

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.