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Finding the Third Proportional to 857,877.38 and 1,848,717.38

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Solution

The third proportional to 857,877.38 and 1,848,717.38 is: 3,983,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,877.38 : 1,848,717.38 = 1,848,717.38 : x
  2. Step 2: Convert to fraction form
    857,877.38/1,848,717.38 = 1,848,717.38/x
  3. Step 3: Cross multiply
    857,877.38x = 1,848,717.38 × 1,848,717.38
  4. Step 4: Simplify right side
    857,877.38x = 3,417,755,932,626.89
  5. Step 5: Solve for x
    x = 3,417,755,932,626.89/857,877.38
  6. Step 6: Final answer
    x = 3,983,967.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.