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Finding the Third Proportional to 628,493 and 1,356,586

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Solution

The third proportional to 628,493 and 1,356,586 is: 2,928,156.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,493 : 1,356,586 = 1,356,586 : x
  2. Step 2: Convert to fraction form
    628,493/1,356,586 = 1,356,586/x
  3. Step 3: Cross multiply
    628,493x = 1,356,586 × 1,356,586
  4. Step 4: Simplify right side
    628,493x = 1,840,325,575,396
  5. Step 5: Solve for x
    x = 1,840,325,575,396/628,493
  6. Step 6: Final answer
    x = 2,928,156.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.