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Finding the Third Proportional to 207,150 and 319,884

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Solution

The third proportional to 207,150 and 319,884 is: 493,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,150 : 319,884 = 319,884 : x
  2. Step 2: Convert to fraction form
    207,150/319,884 = 319,884/x
  3. Step 3: Cross multiply
    207,150x = 319,884 × 319,884
  4. Step 4: Simplify right side
    207,150x = 102,325,773,456
  5. Step 5: Solve for x
    x = 102,325,773,456/207,150
  6. Step 6: Final answer
    x = 493,969.46

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.