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Finding the Third Proportional to 633,889 and 1,392,194

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Solution

The third proportional to 633,889 and 1,392,194 is: 3,057,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,889 : 1,392,194 = 1,392,194 : x
  2. Step 2: Convert to fraction form
    633,889/1,392,194 = 1,392,194/x
  3. Step 3: Cross multiply
    633,889x = 1,392,194 × 1,392,194
  4. Step 4: Simplify right side
    633,889x = 1,938,204,133,636
  5. Step 5: Solve for x
    x = 1,938,204,133,636/633,889
  6. Step 6: Final answer
    x = 3,057,639.64

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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.