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Finding the Third Proportional to 4,288,620.94 and 9,417,049.88

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Solution

The third proportional to 4,288,620.94 and 9,417,049.88 is: 20,678,168.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288,620.94 : 9,417,049.88 = 9,417,049.88 : x
  2. Step 2: Convert to fraction form
    4,288,620.94/9,417,049.88 = 9,417,049.88/x
  3. Step 3: Cross multiply
    4,288,620.94x = 9,417,049.88 × 9,417,049.88
  4. Step 4: Simplify right side
    4,288,620.94x = 88,680,828,348,237.52
  5. Step 5: Solve for x
    x = 88,680,828,348,237.52/4,288,620.94
  6. Step 6: Final answer
    x = 20,678,168.96

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.