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Finding the Third Proportional to 451,593 and 697,621.50

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Solution

The third proportional to 451,593 and 697,621.50 is: 1,077,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,593 : 697,621.50 = 697,621.50 : x
  2. Step 2: Convert to fraction form
    451,593/697,621.50 = 697,621.50/x
  3. Step 3: Cross multiply
    451,593x = 697,621.50 × 697,621.50
  4. Step 4: Simplify right side
    451,593x = 486,675,757,262.25
  5. Step 5: Solve for x
    x = 486,675,757,262.25/451,593
  6. Step 6: Final answer
    x = 1,077,686.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.