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Finding the Third Proportional to 605,867 and 1,274,409

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Solution

The third proportional to 605,867 and 1,274,409 is: 2,680,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,867 : 1,274,409 = 1,274,409 : x
  2. Step 2: Convert to fraction form
    605,867/1,274,409 = 1,274,409/x
  3. Step 3: Cross multiply
    605,867x = 1,274,409 × 1,274,409
  4. Step 4: Simplify right side
    605,867x = 1,624,118,299,281
  5. Step 5: Solve for x
    x = 1,624,118,299,281/605,867
  6. Step 6: Final answer
    x = 2,680,651.53

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.