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Finding the Third Proportional to 431,336 and 938,236

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Solution

The third proportional to 431,336 and 938,236 is: 2,040,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,336 : 938,236 = 938,236 : x
  2. Step 2: Convert to fraction form
    431,336/938,236 = 938,236/x
  3. Step 3: Cross multiply
    431,336x = 938,236 × 938,236
  4. Step 4: Simplify right side
    431,336x = 880,286,791,696
  5. Step 5: Solve for x
    x = 880,286,791,696/431,336
  6. Step 6: Final answer
    x = 2,040,837.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.