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Finding the Third Proportional to 874,936 and 1,251,154

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Solution

The third proportional to 874,936 and 1,251,154 is: 1,789,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,936 : 1,251,154 = 1,251,154 : x
  2. Step 2: Convert to fraction form
    874,936/1,251,154 = 1,251,154/x
  3. Step 3: Cross multiply
    874,936x = 1,251,154 × 1,251,154
  4. Step 4: Simplify right side
    874,936x = 1,565,386,331,716
  5. Step 5: Solve for x
    x = 1,565,386,331,716/874,936
  6. Step 6: Final answer
    x = 1,789,143.81

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.