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Finding the Third Proportional to 407,758 and 852,695

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Solution

The third proportional to 407,758 and 852,695 is: 1,783,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,758 : 852,695 = 852,695 : x
  2. Step 2: Convert to fraction form
    407,758/852,695 = 852,695/x
  3. Step 3: Cross multiply
    407,758x = 852,695 × 852,695
  4. Step 4: Simplify right side
    407,758x = 727,088,763,025
  5. Step 5: Solve for x
    x = 727,088,763,025/407,758
  6. Step 6: Final answer
    x = 1,783,137.95

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.