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Finding the Third Proportional to 197,508 and 437,722

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Solution

The third proportional to 197,508 and 437,722 is: 970,090.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,508 : 437,722 = 437,722 : x
  2. Step 2: Convert to fraction form
    197,508/437,722 = 437,722/x
  3. Step 3: Cross multiply
    197,508x = 437,722 × 437,722
  4. Step 4: Simplify right side
    197,508x = 191,600,549,284
  5. Step 5: Solve for x
    x = 191,600,549,284/197,508
  6. Step 6: Final answer
    x = 970,090.07

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.