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Finding the Third Proportional to 549.44 and 1,015.56

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Solution

The third proportional to 549.44 and 1,015.56 is: 1,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.44 : 1,015.56 = 1,015.56 : x
  2. Step 2: Convert to fraction form
    549.44/1,015.56 = 1,015.56/x
  3. Step 3: Cross multiply
    549.44x = 1,015.56 × 1,015.56
  4. Step 4: Simplify right side
    549.44x = 1,031,367.19
  5. Step 5: Solve for x
    x = 1,031,367.19/549.44
  6. Step 6: Final answer
    x = 1,877.13

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.