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Finding the Third Proportional to 387,183 and 848,886

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Solution

The third proportional to 387,183 and 848,886 is: 1,861,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,183 : 848,886 = 848,886 : x
  2. Step 2: Convert to fraction form
    387,183/848,886 = 848,886/x
  3. Step 3: Cross multiply
    387,183x = 848,886 × 848,886
  4. Step 4: Simplify right side
    387,183x = 720,607,440,996
  5. Step 5: Solve for x
    x = 720,607,440,996/387,183
  6. Step 6: Final answer
    x = 1,861,154.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.