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Finding the Third Proportional to 4,173.19 and 6,499.13

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Solution

The third proportional to 4,173.19 and 6,499.13 is: 10,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.19 : 6,499.13 = 6,499.13 : x
  2. Step 2: Convert to fraction form
    4,173.19/6,499.13 = 6,499.13/x
  3. Step 3: Cross multiply
    4,173.19x = 6,499.13 × 6,499.13
  4. Step 4: Simplify right side
    4,173.19x = 42,238,625.77
  5. Step 5: Solve for x
    x = 42,238,625.77/4,173.19
  6. Step 6: Final answer
    x = 10,121.43

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.