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Finding the Third Proportional to 66,474,434 and 103,910,691

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Solution

The third proportional to 66,474,434 and 103,910,691 is: 162,429,840.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,474,434 : 103,910,691 = 103,910,691 : x
  2. Step 2: Convert to fraction form
    66,474,434/103,910,691 = 103,910,691/x
  3. Step 3: Cross multiply
    66,474,434x = 103,910,691 × 103,910,691
  4. Step 4: Simplify right side
    66,474,434x = 10,797,431,704,097,480
  5. Step 5: Solve for x
    x = 10,797,431,704,097,480/66,474,434
  6. Step 6: Final answer
    x = 162,429,840.38

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.