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Finding the Third Proportional to 3,521,288.63 and 7,717,630.88

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Solution

The third proportional to 3,521,288.63 and 7,717,630.88 is: 16,914,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521,288.63 : 7,717,630.88 = 7,717,630.88 : x
  2. Step 2: Convert to fraction form
    3,521,288.63/7,717,630.88 = 7,717,630.88/x
  3. Step 3: Cross multiply
    3,521,288.63x = 7,717,630.88 × 7,717,630.88
  4. Step 4: Simplify right side
    3,521,288.63x = 59,561,826,322,753.27
  5. Step 5: Solve for x
    x = 59,561,826,322,753.27/3,521,288.63
  6. Step 6: Final answer
    x = 16,914,781.11

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.