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Finding the Third Proportional to 9,085.50 and 20,135.25

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Solution

The third proportional to 9,085.50 and 20,135.25 is: 44,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.50 : 20,135.25 = 20,135.25 : x
  2. Step 2: Convert to fraction form
    9,085.50/20,135.25 = 20,135.25/x
  3. Step 3: Cross multiply
    9,085.50x = 20,135.25 × 20,135.25
  4. Step 4: Simplify right side
    9,085.50x = 405,428,292.56
  5. Step 5: Solve for x
    x = 405,428,292.56/9,085.50
  6. Step 6: Final answer
    x = 44,623.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.