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Finding the Third Proportional to 234,256 and 513,656

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Solution

The third proportional to 234,256 and 513,656 is: 1,126,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,256 : 513,656 = 513,656 : x
  2. Step 2: Convert to fraction form
    234,256/513,656 = 513,656/x
  3. Step 3: Cross multiply
    234,256x = 513,656 × 513,656
  4. Step 4: Simplify right side
    234,256x = 263,842,486,336
  5. Step 5: Solve for x
    x = 263,842,486,336/234,256
  6. Step 6: Final answer
    x = 1,126,299.80

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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.