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Finding the Third Proportional to 351,696 and 756,678

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Solution

The third proportional to 351,696 and 756,678 is: 1,628,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,696 : 756,678 = 756,678 : x
  2. Step 2: Convert to fraction form
    351,696/756,678 = 756,678/x
  3. Step 3: Cross multiply
    351,696x = 756,678 × 756,678
  4. Step 4: Simplify right side
    351,696x = 572,561,595,684
  5. Step 5: Solve for x
    x = 572,561,595,684/351,696
  6. Step 6: Final answer
    x = 1,628,001.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.