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Finding the Third Proportional to 407,895 and 874,838

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Solution

The third proportional to 407,895 and 874,838 is: 1,876,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,895 : 874,838 = 874,838 : x
  2. Step 2: Convert to fraction form
    407,895/874,838 = 874,838/x
  3. Step 3: Cross multiply
    407,895x = 874,838 × 874,838
  4. Step 4: Simplify right side
    407,895x = 765,341,526,244
  5. Step 5: Solve for x
    x = 765,341,526,244/407,895
  6. Step 6: Final answer
    x = 1,876,319.95

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.