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Finding the Third Proportional to 20,416.50 and 29,814.75

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Solution

The third proportional to 20,416.50 and 29,814.75 is: 43,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416.50 : 29,814.75 = 29,814.75 : x
  2. Step 2: Convert to fraction form
    20,416.50/29,814.75 = 29,814.75/x
  3. Step 3: Cross multiply
    20,416.50x = 29,814.75 × 29,814.75
  4. Step 4: Simplify right side
    20,416.50x = 888,919,317.56
  5. Step 5: Solve for x
    x = 888,919,317.56/20,416.50
  6. Step 6: Final answer
    x = 43,539.26

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.