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Finding the Third Proportional to 331,696 and 510,084

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Solution

The third proportional to 331,696 and 510,084 is: 784,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,696 : 510,084 = 510,084 : x
  2. Step 2: Convert to fraction form
    331,696/510,084 = 510,084/x
  3. Step 3: Cross multiply
    331,696x = 510,084 × 510,084
  4. Step 4: Simplify right side
    331,696x = 260,185,687,056
  5. Step 5: Solve for x
    x = 260,185,687,056/331,696
  6. Step 6: Final answer
    x = 784,410.08

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.