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Finding the Third Proportional to 7,179.19 and 15,210.56

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Solution

The third proportional to 7,179.19 and 15,210.56 is: 32,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.19 : 15,210.56 = 15,210.56 : x
  2. Step 2: Convert to fraction form
    7,179.19/15,210.56 = 15,210.56/x
  3. Step 3: Cross multiply
    7,179.19x = 15,210.56 × 15,210.56
  4. Step 4: Simplify right side
    7,179.19x = 231,361,211.57
  5. Step 5: Solve for x
    x = 231,361,211.57/7,179.19
  6. Step 6: Final answer
    x = 32,226.66

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.