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Finding the Third Proportional to 45,128,718 and 68,750,937

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Solution

The third proportional to 45,128,718 and 68,750,937 is: 104,737,992.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,128,718 : 68,750,937 = 68,750,937 : x
  2. Step 2: Convert to fraction form
    45,128,718/68,750,937 = 68,750,937/x
  3. Step 3: Cross multiply
    45,128,718x = 68,750,937 × 68,750,937
  4. Step 4: Simplify right side
    45,128,718x = 4,726,691,338,377,969
  5. Step 5: Solve for x
    x = 4,726,691,338,377,969/45,128,718
  6. Step 6: Final answer
    x = 104,737,992.74

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.