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Finding the Third Proportional to 112,129.50 and 186,873.75

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Solution

The third proportional to 112,129.50 and 186,873.75 is: 311,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,129.50 : 186,873.75 = 186,873.75 : x
  2. Step 2: Convert to fraction form
    112,129.50/186,873.75 = 186,873.75/x
  3. Step 3: Cross multiply
    112,129.50x = 186,873.75 × 186,873.75
  4. Step 4: Simplify right side
    112,129.50x = 34,921,798,439.06
  5. Step 5: Solve for x
    x = 34,921,798,439.06/112,129.50
  6. Step 6: Final answer
    x = 311,441.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.