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Finding the Third Proportional to 292,635 and 628,917

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Solution

The third proportional to 292,635 and 628,917 is: 1,351,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,635 : 628,917 = 628,917 : x
  2. Step 2: Convert to fraction form
    292,635/628,917 = 628,917/x
  3. Step 3: Cross multiply
    292,635x = 628,917 × 628,917
  4. Step 4: Simplify right side
    292,635x = 395,536,592,889
  5. Step 5: Solve for x
    x = 395,536,592,889/292,635
  6. Step 6: Final answer
    x = 1,351,638.02

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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.