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Finding the Third Proportional to 553,079 and 1,181,974

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Solution

The third proportional to 553,079 and 1,181,974 is: 2,525,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,079 : 1,181,974 = 1,181,974 : x
  2. Step 2: Convert to fraction form
    553,079/1,181,974 = 1,181,974/x
  3. Step 3: Cross multiply
    553,079x = 1,181,974 × 1,181,974
  4. Step 4: Simplify right side
    553,079x = 1,397,062,536,676
  5. Step 5: Solve for x
    x = 1,397,062,536,676/553,079
  6. Step 6: Final answer
    x = 2,525,972.85

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.