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Finding the Third Proportional to 887,906 and 1,917,689

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Solution

The third proportional to 887,906 and 1,917,689 is: 4,141,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,906 : 1,917,689 = 1,917,689 : x
  2. Step 2: Convert to fraction form
    887,906/1,917,689 = 1,917,689/x
  3. Step 3: Cross multiply
    887,906x = 1,917,689 × 1,917,689
  4. Step 4: Simplify right side
    887,906x = 3,677,531,100,721
  5. Step 5: Solve for x
    x = 3,677,531,100,721/887,906
  6. Step 6: Final answer
    x = 4,141,802.29

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.