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Finding the Third Proportional to 9,065.04 and 18,819.21

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Solution

The third proportional to 9,065.04 and 18,819.21 is: 39,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.04 : 18,819.21 = 18,819.21 : x
  2. Step 2: Convert to fraction form
    9,065.04/18,819.21 = 18,819.21/x
  3. Step 3: Cross multiply
    9,065.04x = 18,819.21 × 18,819.21
  4. Step 4: Simplify right side
    9,065.04x = 354,162,700.31
  5. Step 5: Solve for x
    x = 354,162,700.31/9,065.04
  6. Step 6: Final answer
    x = 39,069.08

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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.