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Finding the Third Proportional to 727,380 and 1,579,176

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Solution

The third proportional to 727,380 and 1,579,176 is: 3,428,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,380 : 1,579,176 = 1,579,176 : x
  2. Step 2: Convert to fraction form
    727,380/1,579,176 = 1,579,176/x
  3. Step 3: Cross multiply
    727,380x = 1,579,176 × 1,579,176
  4. Step 4: Simplify right side
    727,380x = 2,493,796,838,976
  5. Step 5: Solve for x
    x = 2,493,796,838,976/727,380
  6. Step 6: Final answer
    x = 3,428,464.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.