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Finding the Third Proportional to 80,570 and 177,250

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Solution

The third proportional to 80,570 and 177,250 is: 389,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,570 : 177,250 = 177,250 : x
  2. Step 2: Convert to fraction form
    80,570/177,250 = 177,250/x
  3. Step 3: Cross multiply
    80,570x = 177,250 × 177,250
  4. Step 4: Simplify right side
    80,570x = 31,417,562,500
  5. Step 5: Solve for x
    x = 31,417,562,500/80,570
  6. Step 6: Final answer
    x = 389,941.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.