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Finding the Third Proportional to 549.60 and 1,271.48

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Solution

The third proportional to 549.60 and 1,271.48 is: 2,941.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.60 : 1,271.48 = 1,271.48 : x
  2. Step 2: Convert to fraction form
    549.60/1,271.48 = 1,271.48/x
  3. Step 3: Cross multiply
    549.60x = 1,271.48 × 1,271.48
  4. Step 4: Simplify right side
    549.60x = 1,616,657.62
  5. Step 5: Solve for x
    x = 1,616,657.62/549.60
  6. Step 6: Final answer
    x = 2,941.53

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.