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Finding the Third Proportional to 855,472 and 1,874,240

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Solution

The third proportional to 855,472 and 1,874,240 is: 4,106,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,472 : 1,874,240 = 1,874,240 : x
  2. Step 2: Convert to fraction form
    855,472/1,874,240 = 1,874,240/x
  3. Step 3: Cross multiply
    855,472x = 1,874,240 × 1,874,240
  4. Step 4: Simplify right side
    855,472x = 3,512,775,577,600
  5. Step 5: Solve for x
    x = 3,512,775,577,600/855,472
  6. Step 6: Final answer
    x = 4,106,242.61

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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.