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Finding the Third Proportional to 2,720,078 and 4,115,100

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Solution

The third proportional to 2,720,078 and 4,115,100 is: 6,225,574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,078 : 4,115,100 = 4,115,100 : x
  2. Step 2: Convert to fraction form
    2,720,078/4,115,100 = 4,115,100/x
  3. Step 3: Cross multiply
    2,720,078x = 4,115,100 × 4,115,100
  4. Step 4: Simplify right side
    2,720,078x = 16,934,048,010,000
  5. Step 5: Solve for x
    x = 16,934,048,010,000/2,720,078
  6. Step 6: Final answer
    x = 6,225,574.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.