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Finding the Third Proportional to 874,980 and 1,251,206

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Solution

The third proportional to 874,980 and 1,251,206 is: 1,789,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,980 : 1,251,206 = 1,251,206 : x
  2. Step 2: Convert to fraction form
    874,980/1,251,206 = 1,251,206/x
  3. Step 3: Cross multiply
    874,980x = 1,251,206 × 1,251,206
  4. Step 4: Simplify right side
    874,980x = 1,565,516,454,436
  5. Step 5: Solve for x
    x = 1,565,516,454,436/874,980
  6. Step 6: Final answer
    x = 1,789,202.56

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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.