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Finding the Third Proportional to 7,220.25 and 14,924.81

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Solution

The third proportional to 7,220.25 and 14,924.81 is: 30,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.25 : 14,924.81 = 14,924.81 : x
  2. Step 2: Convert to fraction form
    7,220.25/14,924.81 = 14,924.81/x
  3. Step 3: Cross multiply
    7,220.25x = 14,924.81 × 14,924.81
  4. Step 4: Simplify right side
    7,220.25x = 222,750,028.16
  5. Step 5: Solve for x
    x = 222,750,028.16/7,220.25
  6. Step 6: Final answer
    x = 30,850.74

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.