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Finding the Third Proportional to 27,969,075 and 61,488,540

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Solution

The third proportional to 27,969,075 and 61,488,540 is: 135,179,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,969,075 : 61,488,540 = 61,488,540 : x
  2. Step 2: Convert to fraction form
    27,969,075/61,488,540 = 61,488,540/x
  3. Step 3: Cross multiply
    27,969,075x = 61,488,540 × 61,488,540
  4. Step 4: Simplify right side
    27,969,075x = 3,780,840,551,331,600
  5. Step 5: Solve for x
    x = 3,780,840,551,331,600/27,969,075
  6. Step 6: Final answer
    x = 135,179,320.42

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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.