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Finding the Third Proportional to 111,622.50 and 263,445.75

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Solution

The third proportional to 111,622.50 and 263,445.75 is: 621,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,622.50 : 263,445.75 = 263,445.75 : x
  2. Step 2: Convert to fraction form
    111,622.50/263,445.75 = 263,445.75/x
  3. Step 3: Cross multiply
    111,622.50x = 263,445.75 × 263,445.75
  4. Step 4: Simplify right side
    111,622.50x = 69,403,663,193.06
  5. Step 5: Solve for x
    x = 69,403,663,193.06/111,622.50
  6. Step 6: Final answer
    x = 621,771.27

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.