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Finding the Third Proportional to 38,254.50 and 81,055.13

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Solution

The third proportional to 38,254.50 and 81,055.13 is: 171,742.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.50 : 81,055.13 = 81,055.13 : x
  2. Step 2: Convert to fraction form
    38,254.50/81,055.13 = 81,055.13/x
  3. Step 3: Cross multiply
    38,254.50x = 81,055.13 × 81,055.13
  4. Step 4: Simplify right side
    38,254.50x = 6,569,933,288.77
  5. Step 5: Solve for x
    x = 6,569,933,288.77/38,254.50
  6. Step 6: Final answer
    x = 171,742.76

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.