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Finding the Third Proportional to 6,239,920 and 13,411,124

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Solution

The third proportional to 6,239,920 and 13,411,124 is: 28,823,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239,920 : 13,411,124 = 13,411,124 : x
  2. Step 2: Convert to fraction form
    6,239,920/13,411,124 = 13,411,124/x
  3. Step 3: Cross multiply
    6,239,920x = 13,411,124 × 13,411,124
  4. Step 4: Simplify right side
    6,239,920x = 179,858,246,943,376
  5. Step 5: Solve for x
    x = 179,858,246,943,376/6,239,920
  6. Step 6: Final answer
    x = 28,823,806.55

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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.