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Finding the Third Proportional to 17,999.72 and 38,601.56

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Solution

The third proportional to 17,999.72 and 38,601.56 is: 82,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,999.72 : 38,601.56 = 38,601.56 : x
  2. Step 2: Convert to fraction form
    17,999.72/38,601.56 = 38,601.56/x
  3. Step 3: Cross multiply
    17,999.72x = 38,601.56 × 38,601.56
  4. Step 4: Simplify right side
    17,999.72x = 1,490,080,627.44
  5. Step 5: Solve for x
    x = 1,490,080,627.44/17,999.72
  6. Step 6: Final answer
    x = 82,783.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.