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Finding the Third Proportional to 305,928 and 662,697

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Solution

The third proportional to 305,928 and 662,697 is: 1,435,525.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,928 : 662,697 = 662,697 : x
  2. Step 2: Convert to fraction form
    305,928/662,697 = 662,697/x
  3. Step 3: Cross multiply
    305,928x = 662,697 × 662,697
  4. Step 4: Simplify right side
    305,928x = 439,167,313,809
  5. Step 5: Solve for x
    x = 439,167,313,809/305,928
  6. Step 6: Final answer
    x = 1,435,525.07

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.