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Finding the Third Proportional to 518,868 and 1,126,309

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Solution

The third proportional to 518,868 and 1,126,309 is: 2,444,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,868 : 1,126,309 = 1,126,309 : x
  2. Step 2: Convert to fraction form
    518,868/1,126,309 = 1,126,309/x
  3. Step 3: Cross multiply
    518,868x = 1,126,309 × 1,126,309
  4. Step 4: Simplify right side
    518,868x = 1,268,571,963,481
  5. Step 5: Solve for x
    x = 1,268,571,963,481/518,868
  6. Step 6: Final answer
    x = 2,444,883.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.