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Finding the Third Proportional to 904,358 and 1,399,679

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Solution

The third proportional to 904,358 and 1,399,679 is: 2,166,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,358 : 1,399,679 = 1,399,679 : x
  2. Step 2: Convert to fraction form
    904,358/1,399,679 = 1,399,679/x
  3. Step 3: Cross multiply
    904,358x = 1,399,679 × 1,399,679
  4. Step 4: Simplify right side
    904,358x = 1,959,101,303,041
  5. Step 5: Solve for x
    x = 1,959,101,303,041/904,358
  6. Step 6: Final answer
    x = 2,166,289.57

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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.