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Finding the Third Proportional to 406,926 and 883,906

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Solution

The third proportional to 406,926 and 883,906 is: 1,919,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,926 : 883,906 = 883,906 : x
  2. Step 2: Convert to fraction form
    406,926/883,906 = 883,906/x
  3. Step 3: Cross multiply
    406,926x = 883,906 × 883,906
  4. Step 4: Simplify right side
    406,926x = 781,289,816,836
  5. Step 5: Solve for x
    x = 781,289,816,836/406,926
  6. Step 6: Final answer
    x = 1,919,980.09

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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.