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Finding the Third Proportional to 17,890,121 and 39,294,796

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Solution

The third proportional to 17,890,121 and 39,294,796 is: 86,309,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890,121 : 39,294,796 = 39,294,796 : x
  2. Step 2: Convert to fraction form
    17,890,121/39,294,796 = 39,294,796/x
  3. Step 3: Cross multiply
    17,890,121x = 39,294,796 × 39,294,796
  4. Step 4: Simplify right side
    17,890,121x = 1,544,080,992,681,616
  5. Step 5: Solve for x
    x = 1,544,080,992,681,616/17,890,121
  6. Step 6: Final answer
    x = 86,309,141.94

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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.