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Finding the Third Proportional to 513,826 and 790,395

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Solution

The third proportional to 513,826 and 790,395 is: 1,215,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,826 : 790,395 = 790,395 : x
  2. Step 2: Convert to fraction form
    513,826/790,395 = 790,395/x
  3. Step 3: Cross multiply
    513,826x = 790,395 × 790,395
  4. Step 4: Simplify right side
    513,826x = 624,724,256,025
  5. Step 5: Solve for x
    x = 624,724,256,025/513,826
  6. Step 6: Final answer
    x = 1,215,828.42

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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.