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Finding the Third Proportional to 857,736.56 and 1,864,857.38

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Solution

The third proportional to 857,736.56 and 1,864,857.38 is: 4,054,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,736.56 : 1,864,857.38 = 1,864,857.38 : x
  2. Step 2: Convert to fraction form
    857,736.56/1,864,857.38 = 1,864,857.38/x
  3. Step 3: Cross multiply
    857,736.56x = 1,864,857.38 × 1,864,857.38
  4. Step 4: Simplify right side
    857,736.56x = 3,477,693,029,091.89
  5. Step 5: Solve for x
    x = 3,477,693,029,091.89/857,736.56
  6. Step 6: Final answer
    x = 4,054,500.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.