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Finding the Third Proportional to 756.84 and 1,625.06

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Solution

The third proportional to 756.84 and 1,625.06 is: 3,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    756.84 : 1,625.06 = 1,625.06 : x
  2. Step 2: Convert to fraction form
    756.84/1,625.06 = 1,625.06/x
  3. Step 3: Cross multiply
    756.84x = 1,625.06 × 1,625.06
  4. Step 4: Simplify right side
    756.84x = 2,640,828.13
  5. Step 5: Solve for x
    x = 2,640,828.13/756.84
  6. Step 6: Final answer
    x = 3,489.26

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.