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Finding the Third Proportional to 166,080 and 343,980

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Solution

The third proportional to 166,080 and 343,980 is: 712,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,080 : 343,980 = 343,980 : x
  2. Step 2: Convert to fraction form
    166,080/343,980 = 343,980/x
  3. Step 3: Cross multiply
    166,080x = 343,980 × 343,980
  4. Step 4: Simplify right side
    166,080x = 118,322,240,400
  5. Step 5: Solve for x
    x = 118,322,240,400/166,080
  6. Step 6: Final answer
    x = 712,441.24

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.