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Finding the Third Proportional to 406,906 and 883,866

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Solution

The third proportional to 406,906 and 883,866 is: 1,919,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,906 : 883,866 = 883,866 : x
  2. Step 2: Convert to fraction form
    406,906/883,866 = 883,866/x
  3. Step 3: Cross multiply
    406,906x = 883,866 × 883,866
  4. Step 4: Simplify right side
    406,906x = 781,219,105,956
  5. Step 5: Solve for x
    x = 781,219,105,956/406,906
  6. Step 6: Final answer
    x = 1,919,900.68

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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.