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Finding the Third Proportional to 8,994.80 and 19,777.92

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Solution

The third proportional to 8,994.80 and 19,777.92 is: 43,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.80 : 19,777.92 = 19,777.92 : x
  2. Step 2: Convert to fraction form
    8,994.80/19,777.92 = 19,777.92/x
  3. Step 3: Cross multiply
    8,994.80x = 19,777.92 × 19,777.92
  4. Step 4: Simplify right side
    8,994.80x = 391,166,193.69
  5. Step 5: Solve for x
    x = 391,166,193.69/8,994.80
  6. Step 6: Final answer
    x = 43,488.05

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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.