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Finding the Third Proportional to 406,936 and 883,926

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Solution

The third proportional to 406,936 and 883,926 is: 1,920,019.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,936 : 883,926 = 883,926 : x
  2. Step 2: Convert to fraction form
    406,936/883,926 = 883,926/x
  3. Step 3: Cross multiply
    406,936x = 883,926 × 883,926
  4. Step 4: Simplify right side
    406,936x = 781,325,173,476
  5. Step 5: Solve for x
    x = 781,325,173,476/406,936
  6. Step 6: Final answer
    x = 1,920,019.79

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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.