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Finding the Third Proportional to 279,741 and 603,707

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Solution

The third proportional to 279,741 and 603,707 is: 1,302,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,741 : 603,707 = 603,707 : x
  2. Step 2: Convert to fraction form
    279,741/603,707 = 603,707/x
  3. Step 3: Cross multiply
    279,741x = 603,707 × 603,707
  4. Step 4: Simplify right side
    279,741x = 364,462,141,849
  5. Step 5: Solve for x
    x = 364,462,141,849/279,741
  6. Step 6: Final answer
    x = 1,302,855.65

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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.