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Finding the Third Proportional to 18,139.50 and 26,529.75

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Solution

The third proportional to 18,139.50 and 26,529.75 is: 38,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.50 : 26,529.75 = 26,529.75 : x
  2. Step 2: Convert to fraction form
    18,139.50/26,529.75 = 26,529.75/x
  3. Step 3: Cross multiply
    18,139.50x = 26,529.75 × 26,529.75
  4. Step 4: Simplify right side
    18,139.50x = 703,827,635.06
  5. Step 5: Solve for x
    x = 703,827,635.06/18,139.50
  6. Step 6: Final answer
    x = 38,800.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.