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Finding the Third Proportional to 7,216.59 and 15,640.59

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Solution

The third proportional to 7,216.59 and 15,640.59 is: 33,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.59 : 15,640.59 = 15,640.59 : x
  2. Step 2: Convert to fraction form
    7,216.59/15,640.59 = 15,640.59/x
  3. Step 3: Cross multiply
    7,216.59x = 15,640.59 × 15,640.59
  4. Step 4: Simplify right side
    7,216.59x = 244,628,172.85
  5. Step 5: Solve for x
    x = 244,628,172.85/7,216.59
  6. Step 6: Final answer
    x = 33,898.01

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.