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Finding the Third Proportional to 552.45 and 1,161.63

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Solution

The third proportional to 552.45 and 1,161.63 is: 2,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.45 : 1,161.63 = 1,161.63 : x
  2. Step 2: Convert to fraction form
    552.45/1,161.63 = 1,161.63/x
  3. Step 3: Cross multiply
    552.45x = 1,161.63 × 1,161.63
  4. Step 4: Simplify right side
    552.45x = 1,349,390.79
  5. Step 5: Solve for x
    x = 1,349,390.79/552.45
  6. Step 6: Final answer
    x = 2,442.58

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.