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Finding the Third Proportional to 15,170 and 33,340

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Solution

The third proportional to 15,170 and 33,340 is: 73,273.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170 : 33,340 = 33,340 : x
  2. Step 2: Convert to fraction form
    15,170/33,340 = 33,340/x
  3. Step 3: Cross multiply
    15,170x = 33,340 × 33,340
  4. Step 4: Simplify right side
    15,170x = 1,111,555,600
  5. Step 5: Solve for x
    x = 1,111,555,600/15,170
  6. Step 6: Final answer
    x = 73,273.28

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1.5x scale

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.