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Finding the Third Proportional to 406,938 and 883,930

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Solution

The third proportional to 406,938 and 883,930 is: 1,920,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,938 : 883,930 = 883,930 : x
  2. Step 2: Convert to fraction form
    406,938/883,930 = 883,930/x
  3. Step 3: Cross multiply
    406,938x = 883,930 × 883,930
  4. Step 4: Simplify right side
    406,938x = 781,332,244,900
  5. Step 5: Solve for x
    x = 781,332,244,900/406,938
  6. Step 6: Final answer
    x = 1,920,027.73

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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.