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Finding the Third Proportional to 904,380 and 1,399,716

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Solution

The third proportional to 904,380 and 1,399,716 is: 2,166,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,380 : 1,399,716 = 1,399,716 : x
  2. Step 2: Convert to fraction form
    904,380/1,399,716 = 1,399,716/x
  3. Step 3: Cross multiply
    904,380x = 1,399,716 × 1,399,716
  4. Step 4: Simplify right side
    904,380x = 1,959,204,880,656
  5. Step 5: Solve for x
    x = 1,959,204,880,656/904,380
  6. Step 6: Final answer
    x = 2,166,351.40

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.