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Finding the Third Proportional to 548.44 and 1,152.14

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Solution

The third proportional to 548.44 and 1,152.14 is: 2,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.44 : 1,152.14 = 1,152.14 : x
  2. Step 2: Convert to fraction form
    548.44/1,152.14 = 1,152.14/x
  3. Step 3: Cross multiply
    548.44x = 1,152.14 × 1,152.14
  4. Step 4: Simplify right side
    548.44x = 1,327,428.02
  5. Step 5: Solve for x
    x = 1,327,428.02/548.44
  6. Step 6: Final answer
    x = 2,420.38

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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.