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Finding the Third Proportional to 154,530 and 357,738

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Solution

The third proportional to 154,530 and 357,738 is: 828,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,530 : 357,738 = 357,738 : x
  2. Step 2: Convert to fraction form
    154,530/357,738 = 357,738/x
  3. Step 3: Cross multiply
    154,530x = 357,738 × 357,738
  4. Step 4: Simplify right side
    154,530x = 127,976,476,644
  5. Step 5: Solve for x
    x = 127,976,476,644/154,530
  6. Step 6: Final answer
    x = 828,165.90

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.