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Finding the Third Proportional to 467,970 and 684,405

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Solution

The third proportional to 467,970 and 684,405 is: 1,000,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,970 : 684,405 = 684,405 : x
  2. Step 2: Convert to fraction form
    467,970/684,405 = 684,405/x
  3. Step 3: Cross multiply
    467,970x = 684,405 × 684,405
  4. Step 4: Simplify right side
    467,970x = 468,410,204,025
  5. Step 5: Solve for x
    x = 468,410,204,025/467,970
  6. Step 6: Final answer
    x = 1,000,940.67

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.