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Finding the Third Proportional to 380,168 and 883,987

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Solution

The third proportional to 380,168 and 883,987 is: 2,055,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,168 : 883,987 = 883,987 : x
  2. Step 2: Convert to fraction form
    380,168/883,987 = 883,987/x
  3. Step 3: Cross multiply
    380,168x = 883,987 × 883,987
  4. Step 4: Simplify right side
    380,168x = 781,433,016,169
  5. Step 5: Solve for x
    x = 781,433,016,169/380,168
  6. Step 6: Final answer
    x = 2,055,493.93

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.