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Finding the Third Proportional to 738,912 and 1,591,815

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Solution

The third proportional to 738,912 and 1,591,815 is: 3,429,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,912 : 1,591,815 = 1,591,815 : x
  2. Step 2: Convert to fraction form
    738,912/1,591,815 = 1,591,815/x
  3. Step 3: Cross multiply
    738,912x = 1,591,815 × 1,591,815
  4. Step 4: Simplify right side
    738,912x = 2,533,874,994,225
  5. Step 5: Solve for x
    x = 2,533,874,994,225/738,912
  6. Step 6: Final answer
    x = 3,429,197.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.