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Finding the Third Proportional to 855,936 and 1,145,088

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Solution

The third proportional to 855,936 and 1,145,088 is: 1,531,921.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,936 : 1,145,088 = 1,145,088 : x
  2. Step 2: Convert to fraction form
    855,936/1,145,088 = 1,145,088/x
  3. Step 3: Cross multiply
    855,936x = 1,145,088 × 1,145,088
  4. Step 4: Simplify right side
    855,936x = 1,311,226,527,744
  5. Step 5: Solve for x
    x = 1,311,226,527,744/855,936
  6. Step 6: Final answer
    x = 1,531,921.23

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.