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Finding the Third Proportional to 18,696,402 and 27,969,870

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Solution

The third proportional to 18,696,402 and 27,969,870 is: 41,843,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,402 : 27,969,870 = 27,969,870 : x
  2. Step 2: Convert to fraction form
    18,696,402/27,969,870 = 27,969,870/x
  3. Step 3: Cross multiply
    18,696,402x = 27,969,870 × 27,969,870
  4. Step 4: Simplify right side
    18,696,402x = 782,313,627,816,900
  5. Step 5: Solve for x
    x = 782,313,627,816,900/18,696,402
  6. Step 6: Final answer
    x = 41,843,004.22

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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.