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Finding the Third Proportional to 112,389 and 246,243

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Solution

The third proportional to 112,389 and 246,243 is: 539,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,389 : 246,243 = 246,243 : x
  2. Step 2: Convert to fraction form
    112,389/246,243 = 246,243/x
  3. Step 3: Cross multiply
    112,389x = 246,243 × 246,243
  4. Step 4: Simplify right side
    112,389x = 60,635,615,049
  5. Step 5: Solve for x
    x = 60,635,615,049/112,389
  6. Step 6: Final answer
    x = 539,515.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.