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Finding the Third Proportional to 401,817 and 883,986

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Solution

The third proportional to 401,817 and 883,986 is: 1,944,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,817 : 883,986 = 883,986 : x
  2. Step 2: Convert to fraction form
    401,817/883,986 = 883,986/x
  3. Step 3: Cross multiply
    401,817x = 883,986 × 883,986
  4. Step 4: Simplify right side
    401,817x = 781,431,248,196
  5. Step 5: Solve for x
    x = 781,431,248,196/401,817
  6. Step 6: Final answer
    x = 1,944,744.12

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.