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Finding the Third Proportional to 18,720 and 41,334

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Solution

The third proportional to 18,720 and 41,334 is: 91,266.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720 : 41,334 = 41,334 : x
  2. Step 2: Convert to fraction form
    18,720/41,334 = 41,334/x
  3. Step 3: Cross multiply
    18,720x = 41,334 × 41,334
  4. Step 4: Simplify right side
    18,720x = 1,708,499,556
  5. Step 5: Solve for x
    x = 1,708,499,556/18,720
  6. Step 6: Final answer
    x = 91,266.00

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.