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Finding the Third Proportional to 118,817.63 and 161,418.75

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Solution

The third proportional to 118,817.63 and 161,418.75 is: 219,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,817.63 : 161,418.75 = 161,418.75 : x
  2. Step 2: Convert to fraction form
    118,817.63/161,418.75 = 161,418.75/x
  3. Step 3: Cross multiply
    118,817.63x = 161,418.75 × 161,418.75
  4. Step 4: Simplify right side
    118,817.63x = 26,056,012,851.56
  5. Step 5: Solve for x
    x = 26,056,012,851.56/118,817.63
  6. Step 6: Final answer
    x = 219,294.17

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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.