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Finding the Third Proportional to 744.19 and 1,619.16

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Solution

The third proportional to 744.19 and 1,619.16 is: 3,522.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    744.19 : 1,619.16 = 1,619.16 : x
  2. Step 2: Convert to fraction form
    744.19/1,619.16 = 1,619.16/x
  3. Step 3: Cross multiply
    744.19x = 1,619.16 × 1,619.16
  4. Step 4: Simplify right side
    744.19x = 2,621,666.96
  5. Step 5: Solve for x
    x = 2,621,666.96/744.19
  6. Step 6: Final answer
    x = 3,522.86

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.