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Finding the Third Proportional to 17,946,570 and 39,481,764

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Solution

The third proportional to 17,946,570 and 39,481,764 is: 86,858,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,946,570 : 39,481,764 = 39,481,764 : x
  2. Step 2: Convert to fraction form
    17,946,570/39,481,764 = 39,481,764/x
  3. Step 3: Cross multiply
    17,946,570x = 39,481,764 × 39,481,764
  4. Step 4: Simplify right side
    17,946,570x = 1,558,809,688,551,696
  5. Step 5: Solve for x
    x = 1,558,809,688,551,696/17,946,570
  6. Step 6: Final answer
    x = 86,858,362.83

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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.