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Finding the Third Proportional to 18,391.13 and 40,946.25

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Solution

The third proportional to 18,391.13 and 40,946.25 is: 91,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391.13 : 40,946.25 = 40,946.25 : x
  2. Step 2: Convert to fraction form
    18,391.13/40,946.25 = 40,946.25/x
  3. Step 3: Cross multiply
    18,391.13x = 40,946.25 × 40,946.25
  4. Step 4: Simplify right side
    18,391.13x = 1,676,595,389.06
  5. Step 5: Solve for x
    x = 1,676,595,389.06/18,391.13
  6. Step 6: Final answer
    x = 91,163.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.