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Finding the Third Proportional to 402,313 and 837,696

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Solution

The third proportional to 402,313 and 837,696 is: 1,744,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,313 : 837,696 = 837,696 : x
  2. Step 2: Convert to fraction form
    402,313/837,696 = 837,696/x
  3. Step 3: Cross multiply
    402,313x = 837,696 × 837,696
  4. Step 4: Simplify right side
    402,313x = 701,734,588,416
  5. Step 5: Solve for x
    x = 701,734,588,416/402,313
  6. Step 6: Final answer
    x = 1,744,250.34

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.