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Finding the Third Proportional to 116,990.63 and 177,672.75

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Solution

The third proportional to 116,990.63 and 177,672.75 is: 269,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,990.63 : 177,672.75 = 177,672.75 : x
  2. Step 2: Convert to fraction form
    116,990.63/177,672.75 = 177,672.75/x
  3. Step 3: Cross multiply
    116,990.63x = 177,672.75 × 177,672.75
  4. Step 4: Simplify right side
    116,990.63x = 31,567,606,092.56
  5. Step 5: Solve for x
    x = 31,567,606,092.56/116,990.63
  6. Step 6: Final answer
    x = 269,830.22

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.