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Finding the Third Proportional to 3,448,920 and 7,255,128

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Solution

The third proportional to 3,448,920 and 7,255,128 is: 15,261,844.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,920 : 7,255,128 = 7,255,128 : x
  2. Step 2: Convert to fraction form
    3,448,920/7,255,128 = 7,255,128/x
  3. Step 3: Cross multiply
    3,448,920x = 7,255,128 × 7,255,128
  4. Step 4: Simplify right side
    3,448,920x = 52,636,882,296,384
  5. Step 5: Solve for x
    x = 52,636,882,296,384/3,448,920
  6. Step 6: Final answer
    x = 15,261,844.95

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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.