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Finding the Third Proportional to 112,120.50 and 173,138.25

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Solution

The third proportional to 112,120.50 and 173,138.25 is: 267,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,120.50 : 173,138.25 = 173,138.25 : x
  2. Step 2: Convert to fraction form
    112,120.50/173,138.25 = 173,138.25/x
  3. Step 3: Cross multiply
    112,120.50x = 173,138.25 × 173,138.25
  4. Step 4: Simplify right side
    112,120.50x = 29,976,853,613.06
  5. Step 5: Solve for x
    x = 29,976,853,613.06/112,120.50
  6. Step 6: Final answer
    x = 267,362.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.