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Finding the Third Proportional to 513,384 and 1,236,804

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Solution

The third proportional to 513,384 and 1,236,804 is: 2,979,610.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,384 : 1,236,804 = 1,236,804 : x
  2. Step 2: Convert to fraction form
    513,384/1,236,804 = 1,236,804/x
  3. Step 3: Cross multiply
    513,384x = 1,236,804 × 1,236,804
  4. Step 4: Simplify right side
    513,384x = 1,529,684,134,416
  5. Step 5: Solve for x
    x = 1,529,684,134,416/513,384
  6. Step 6: Final answer
    x = 2,979,610.07

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.