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Finding the Third Proportional to 18,696,420 and 27,969,897

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Solution

The third proportional to 18,696,420 and 27,969,897 is: 41,843,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,420 : 27,969,897 = 27,969,897 : x
  2. Step 2: Convert to fraction form
    18,696,420/27,969,897 = 27,969,897/x
  3. Step 3: Cross multiply
    18,696,420x = 27,969,897 × 27,969,897
  4. Step 4: Simplify right side
    18,696,420x = 782,315,138,190,609
  5. Step 5: Solve for x
    x = 782,315,138,190,609/18,696,420
  6. Step 6: Final answer
    x = 41,843,044.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.