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Finding the Third Proportional to 631,260 and 887,916

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Solution

The third proportional to 631,260 and 887,916 is: 1,248,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,260 : 887,916 = 887,916 : x
  2. Step 2: Convert to fraction form
    631,260/887,916 = 887,916/x
  3. Step 3: Cross multiply
    631,260x = 887,916 × 887,916
  4. Step 4: Simplify right side
    631,260x = 788,394,823,056
  5. Step 5: Solve for x
    x = 788,394,823,056/631,260
  6. Step 6: Final answer
    x = 1,248,922.51

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.