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Finding the Third Proportional to 1,994.75 and 4,260.88

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Solution

The third proportional to 1,994.75 and 4,260.88 is: 9,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.75 : 4,260.88 = 4,260.88 : x
  2. Step 2: Convert to fraction form
    1,994.75/4,260.88 = 4,260.88/x
  3. Step 3: Cross multiply
    1,994.75x = 4,260.88 × 4,260.88
  4. Step 4: Simplify right side
    1,994.75x = 18,155,055.77
  5. Step 5: Solve for x
    x = 18,155,055.77/1,994.75
  6. Step 6: Final answer
    x = 9,101.42

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.