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Finding the Third Proportional to 18,217.50 and 26,626.50

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Solution

The third proportional to 18,217.50 and 26,626.50 is: 38,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.50 : 26,626.50 = 26,626.50 : x
  2. Step 2: Convert to fraction form
    18,217.50/26,626.50 = 26,626.50/x
  3. Step 3: Cross multiply
    18,217.50x = 26,626.50 × 26,626.50
  4. Step 4: Simplify right side
    18,217.50x = 708,970,502.25
  5. Step 5: Solve for x
    x = 708,970,502.25/18,217.50
  6. Step 6: Final answer
    x = 38,917.00

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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.