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Finding the Third Proportional to 154,455 and 246,670.50

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Solution

The third proportional to 154,455 and 246,670.50 is: 393,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,455 : 246,670.50 = 246,670.50 : x
  2. Step 2: Convert to fraction form
    154,455/246,670.50 = 246,670.50/x
  3. Step 3: Cross multiply
    154,455x = 246,670.50 × 246,670.50
  4. Step 4: Simplify right side
    154,455x = 60,846,335,570.25
  5. Step 5: Solve for x
    x = 60,846,335,570.25/154,455
  6. Step 6: Final answer
    x = 393,942.16

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.