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Finding the Third Proportional to 3,218,480 and 6,701,520

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Solution

The third proportional to 3,218,480 and 6,701,520 is: 13,953,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,480 : 6,701,520 = 6,701,520 : x
  2. Step 2: Convert to fraction form
    3,218,480/6,701,520 = 6,701,520/x
  3. Step 3: Cross multiply
    3,218,480x = 6,701,520 × 6,701,520
  4. Step 4: Simplify right side
    3,218,480x = 44,910,370,310,400
  5. Step 5: Solve for x
    x = 44,910,370,310,400/3,218,480
  6. Step 6: Final answer
    x = 13,953,906.91

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.