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Finding the Third Proportional to 179,820.50 and 393,504.75

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Solution

The third proportional to 179,820.50 and 393,504.75 is: 861,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,820.50 : 393,504.75 = 393,504.75 : x
  2. Step 2: Convert to fraction form
    179,820.50/393,504.75 = 393,504.75/x
  3. Step 3: Cross multiply
    179,820.50x = 393,504.75 × 393,504.75
  4. Step 4: Simplify right side
    179,820.50x = 154,845,988,272.56
  5. Step 5: Solve for x
    x = 154,845,988,272.56/179,820.50
  6. Step 6: Final answer
    x = 861,114.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.