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Finding the Third Proportional to 15,815,536 and 34,531,519

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Solution

The third proportional to 15,815,536 and 34,531,519 is: 75,395,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815,536 : 34,531,519 = 34,531,519 : x
  2. Step 2: Convert to fraction form
    15,815,536/34,531,519 = 34,531,519/x
  3. Step 3: Cross multiply
    15,815,536x = 34,531,519 × 34,531,519
  4. Step 4: Simplify right side
    15,815,536x = 1,192,425,804,447,361
  5. Step 5: Solve for x
    x = 1,192,425,804,447,361/15,815,536
  6. Step 6: Final answer
    x = 75,395,851.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.