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Finding the Third Proportional to 80,433 and 174,987

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Solution

The third proportional to 80,433 and 174,987 is: 380,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,433 : 174,987 = 174,987 : x
  2. Step 2: Convert to fraction form
    80,433/174,987 = 174,987/x
  3. Step 3: Cross multiply
    80,433x = 174,987 × 174,987
  4. Step 4: Simplify right side
    80,433x = 30,620,450,169
  5. Step 5: Solve for x
    x = 30,620,450,169/80,433
  6. Step 6: Final answer
    x = 380,695.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.