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Finding the Third Proportional to 4,420,128 and 6,238,976

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Solution

The third proportional to 4,420,128 and 6,238,976 is: 8,806,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420,128 : 6,238,976 = 6,238,976 : x
  2. Step 2: Convert to fraction form
    4,420,128/6,238,976 = 6,238,976/x
  3. Step 3: Cross multiply
    4,420,128x = 6,238,976 × 6,238,976
  4. Step 4: Simplify right side
    4,420,128x = 38,924,821,528,576
  5. Step 5: Solve for x
    x = 38,924,821,528,576/4,420,128
  6. Step 6: Final answer
    x = 8,806,265.68

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.