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Finding the Third Proportional to 154,519.03 and 320,880.75

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Solution

The third proportional to 154,519.03 and 320,880.75 is: 666,354.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,519.03 : 320,880.75 = 320,880.75 : x
  2. Step 2: Convert to fraction form
    154,519.03/320,880.75 = 320,880.75/x
  3. Step 3: Cross multiply
    154,519.03x = 320,880.75 × 320,880.75
  4. Step 4: Simplify right side
    154,519.03x = 102,964,455,720.56
  5. Step 5: Solve for x
    x = 102,964,455,720.56/154,519.03
  6. Step 6: Final answer
    x = 666,354.53

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.