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Finding the Third Proportional to 21,915,709,425 and 33,879,982,623

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Solution

The third proportional to 21,915,709,425 and 33,879,982,623 is: 52,375,818,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,915,709,425 : 33,879,982,623 = 33,879,982,623 : x
  2. Step 2: Convert to fraction form
    21,915,709,425/33,879,982,623 = 33,879,982,623/x
  3. Step 3: Cross multiply
    21,915,709,425x = 33,879,982,623 × 33,879,982,623
  4. Step 4: Simplify right side
    21,915,709,425x = 1,147,853,222,534,781,992,960
  5. Step 5: Solve for x
    x = 1,147,853,222,534,781,992,960/21,915,709,425
  6. Step 6: Final answer
    x = 52,375,818,654.79

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.