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Finding the Third Proportional to 633,876 and 1,392,168

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Solution

The third proportional to 633,876 and 1,392,168 is: 3,057,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,876 : 1,392,168 = 1,392,168 : x
  2. Step 2: Convert to fraction form
    633,876/1,392,168 = 1,392,168/x
  3. Step 3: Cross multiply
    633,876x = 1,392,168 × 1,392,168
  4. Step 4: Simplify right side
    633,876x = 1,938,131,740,224
  5. Step 5: Solve for x
    x = 1,938,131,740,224/633,876
  6. Step 6: Final answer
    x = 3,057,588.14

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.