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Finding the Third Proportional to 13,909,957 and 21,277,994

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Solution

The third proportional to 13,909,957 and 21,277,994 is: 32,548,844.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,957 : 21,277,994 = 21,277,994 : x
  2. Step 2: Convert to fraction form
    13,909,957/21,277,994 = 21,277,994/x
  3. Step 3: Cross multiply
    13,909,957x = 21,277,994 × 21,277,994
  4. Step 4: Simplify right side
    13,909,957x = 452,753,028,664,036
  5. Step 5: Solve for x
    x = 452,753,028,664,036/13,909,957
  6. Step 6: Final answer
    x = 32,548,844.59

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.