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Finding the Third Proportional to 18,777 and 29,243.25

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Solution

The third proportional to 18,777 and 29,243.25 is: 45,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777 : 29,243.25 = 29,243.25 : x
  2. Step 2: Convert to fraction form
    18,777/29,243.25 = 29,243.25/x
  3. Step 3: Cross multiply
    18,777x = 29,243.25 × 29,243.25
  4. Step 4: Simplify right side
    18,777x = 855,167,670.56
  5. Step 5: Solve for x
    x = 855,167,670.56/18,777
  6. Step 6: Final answer
    x = 45,543.36

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.