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Finding the Third Proportional to 21,797,854 and 51,383,623

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Solution

The third proportional to 21,797,854 and 51,383,623 is: 121,125,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,797,854 : 51,383,623 = 51,383,623 : x
  2. Step 2: Convert to fraction form
    21,797,854/51,383,623 = 51,383,623/x
  3. Step 3: Cross multiply
    21,797,854x = 51,383,623 × 51,383,623
  4. Step 4: Simplify right side
    21,797,854x = 2,640,276,712,606,129
  5. Step 5: Solve for x
    x = 2,640,276,712,606,129/21,797,854
  6. Step 6: Final answer
    x = 121,125,534.31

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.