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Finding the Third Proportional to 426,601 and 918,236

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Solution

The third proportional to 426,601 and 918,236 is: 1,976,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,601 : 918,236 = 918,236 : x
  2. Step 2: Convert to fraction form
    426,601/918,236 = 918,236/x
  3. Step 3: Cross multiply
    426,601x = 918,236 × 918,236
  4. Step 4: Simplify right side
    426,601x = 843,157,351,696
  5. Step 5: Solve for x
    x = 843,157,351,696/426,601
  6. Step 6: Final answer
    x = 1,976,454.23

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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.