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Finding the Third Proportional to 843.19 and 1,549.69

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Solution

The third proportional to 843.19 and 1,549.69 is: 2,848.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    843.19 : 1,549.69 = 1,549.69 : x
  2. Step 2: Convert to fraction form
    843.19/1,549.69 = 1,549.69/x
  3. Step 3: Cross multiply
    843.19x = 1,549.69 × 1,549.69
  4. Step 4: Simplify right side
    843.19x = 2,401,531.35
  5. Step 5: Solve for x
    x = 2,401,531.35/843.19
  6. Step 6: Final answer
    x = 2,848.16

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.