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Finding the Third Proportional to 1,716.19 and 3,756.38

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Solution

The third proportional to 1,716.19 and 3,756.38 is: 8,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.19 : 3,756.38 = 3,756.38 : x
  2. Step 2: Convert to fraction form
    1,716.19/3,756.38 = 3,756.38/x
  3. Step 3: Cross multiply
    1,716.19x = 3,756.38 × 3,756.38
  4. Step 4: Simplify right side
    1,716.19x = 14,110,353.14
  5. Step 5: Solve for x
    x = 14,110,353.14/1,716.19
  6. Step 6: Final answer
    x = 8,221.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.