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Finding the Third Proportional to 13,515,498 and 20,944,980

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Solution

The third proportional to 13,515,498 and 20,944,980 is: 32,458,455.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515,498 : 20,944,980 = 20,944,980 : x
  2. Step 2: Convert to fraction form
    13,515,498/20,944,980 = 20,944,980/x
  3. Step 3: Cross multiply
    13,515,498x = 20,944,980 × 20,944,980
  4. Step 4: Simplify right side
    13,515,498x = 438,692,187,200,400
  5. Step 5: Solve for x
    x = 438,692,187,200,400/13,515,498
  6. Step 6: Final answer
    x = 32,458,455.26

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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.