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Finding the Third Proportional to 1,776,147.75 and 3,737,972.25

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Solution

The third proportional to 1,776,147.75 and 3,737,972.25 is: 7,866,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,147.75 : 3,737,972.25 = 3,737,972.25 : x
  2. Step 2: Convert to fraction form
    1,776,147.75/3,737,972.25 = 3,737,972.25/x
  3. Step 3: Cross multiply
    1,776,147.75x = 3,737,972.25 × 3,737,972.25
  4. Step 4: Simplify right side
    1,776,147.75x = 13,972,436,541,770.06
  5. Step 5: Solve for x
    x = 13,972,436,541,770.06/1,776,147.75
  6. Step 6: Final answer
    x = 7,866,708.47

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.