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Finding the Third Proportional to 17,946,522 and 39,481,668

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Solution

The third proportional to 17,946,522 and 39,481,668 is: 86,858,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,946,522 : 39,481,668 = 39,481,668 : x
  2. Step 2: Convert to fraction form
    17,946,522/39,481,668 = 39,481,668/x
  3. Step 3: Cross multiply
    17,946,522x = 39,481,668 × 39,481,668
  4. Step 4: Simplify right side
    17,946,522x = 1,558,802,108,062,224
  5. Step 5: Solve for x
    x = 1,558,802,108,062,224/17,946,522
  6. Step 6: Final answer
    x = 86,858,172.75

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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.