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Finding the Third Proportional to 407,192 and 886,670

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Solution

The third proportional to 407,192 and 886,670 is: 1,930,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,192 : 886,670 = 886,670 : x
  2. Step 2: Convert to fraction form
    407,192/886,670 = 886,670/x
  3. Step 3: Cross multiply
    407,192x = 886,670 × 886,670
  4. Step 4: Simplify right side
    407,192x = 786,183,688,900
  5. Step 5: Solve for x
    x = 786,183,688,900/407,192
  6. Step 6: Final answer
    x = 1,930,744.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.