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Finding the Third Proportional to 717.19 and 1,571.06

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Solution

The third proportional to 717.19 and 1,571.06 is: 3,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    717.19 : 1,571.06 = 1,571.06 : x
  2. Step 2: Convert to fraction form
    717.19/1,571.06 = 1,571.06/x
  3. Step 3: Cross multiply
    717.19x = 1,571.06 × 1,571.06
  4. Step 4: Simplify right side
    717.19x = 2,468,237.38
  5. Step 5: Solve for x
    x = 2,468,237.38/717.19
  6. Step 6: Final answer
    x = 3,441.55

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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.