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Finding the Third Proportional to 73,921.50 and 112,713.75

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Solution

The third proportional to 73,921.50 and 112,713.75 is: 171,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,921.50 : 112,713.75 = 112,713.75 : x
  2. Step 2: Convert to fraction form
    73,921.50/112,713.75 = 112,713.75/x
  3. Step 3: Cross multiply
    73,921.50x = 112,713.75 × 112,713.75
  4. Step 4: Simplify right side
    73,921.50x = 12,704,389,439.06
  5. Step 5: Solve for x
    x = 12,704,389,439.06/73,921.50
  6. Step 6: Final answer
    x = 171,863.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.