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Finding the Third Proportional to 3,434.91 and 5,015.67

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Solution

The third proportional to 3,434.91 and 5,015.67 is: 7,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.91 : 5,015.67 = 5,015.67 : x
  2. Step 2: Convert to fraction form
    3,434.91/5,015.67 = 5,015.67/x
  3. Step 3: Cross multiply
    3,434.91x = 5,015.67 × 5,015.67
  4. Step 4: Simplify right side
    3,434.91x = 25,156,964.36
  5. Step 5: Solve for x
    x = 25,156,964.36/3,434.91
  6. Step 6: Final answer
    x = 7,323.92

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.