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Finding the Third Proportional to 246,864 and 531,120

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Solution

The third proportional to 246,864 and 531,120 is: 1,142,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,864 : 531,120 = 531,120 : x
  2. Step 2: Convert to fraction form
    246,864/531,120 = 531,120/x
  3. Step 3: Cross multiply
    246,864x = 531,120 × 531,120
  4. Step 4: Simplify right side
    246,864x = 282,088,454,400
  5. Step 5: Solve for x
    x = 282,088,454,400/246,864
  6. Step 6: Final answer
    x = 1,142,687.69

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.