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Finding the Third Proportional to 18,348.50 and 25,530.75

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Solution

The third proportional to 18,348.50 and 25,530.75 is: 35,524.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.50 : 25,530.75 = 25,530.75 : x
  2. Step 2: Convert to fraction form
    18,348.50/25,530.75 = 25,530.75/x
  3. Step 3: Cross multiply
    18,348.50x = 25,530.75 × 25,530.75
  4. Step 4: Simplify right side
    18,348.50x = 651,819,195.56
  5. Step 5: Solve for x
    x = 651,819,195.56/18,348.50
  6. Step 6: Final answer
    x = 35,524.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.