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Finding the Third Proportional to 292,606 and 628,862

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Solution

The third proportional to 292,606 and 628,862 is: 1,351,535.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,606 : 628,862 = 628,862 : x
  2. Step 2: Convert to fraction form
    292,606/628,862 = 628,862/x
  3. Step 3: Cross multiply
    292,606x = 628,862 × 628,862
  4. Step 4: Simplify right side
    292,606x = 395,467,415,044
  5. Step 5: Solve for x
    x = 395,467,415,044/292,606
  6. Step 6: Final answer
    x = 1,351,535.56

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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.