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Finding the Third Proportional to 3,099.23 and 4,721.34

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Solution

The third proportional to 3,099.23 and 4,721.34 is: 7,192.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.23 : 4,721.34 = 4,721.34 : x
  2. Step 2: Convert to fraction form
    3,099.23/4,721.34 = 4,721.34/x
  3. Step 3: Cross multiply
    3,099.23x = 4,721.34 × 4,721.34
  4. Step 4: Simplify right side
    3,099.23x = 22,291,086.81
  5. Step 5: Solve for x
    x = 22,291,086.81/3,099.23
  6. Step 6: Final answer
    x = 7,192.45

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.