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Finding the Third Proportional to 18,258.75 and 26,898.75

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Solution

The third proportional to 18,258.75 and 26,898.75 is: 39,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.75 : 26,898.75 = 26,898.75 : x
  2. Step 2: Convert to fraction form
    18,258.75/26,898.75 = 26,898.75/x
  3. Step 3: Cross multiply
    18,258.75x = 26,898.75 × 26,898.75
  4. Step 4: Simplify right side
    18,258.75x = 723,542,751.56
  5. Step 5: Solve for x
    x = 723,542,751.56/18,258.75
  6. Step 6: Final answer
    x = 39,627.18

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.