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Finding the Third Proportional to 257,228 and 366,925

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Solution

The third proportional to 257,228 and 366,925 is: 523,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,228 : 366,925 = 366,925 : x
  2. Step 2: Convert to fraction form
    257,228/366,925 = 366,925/x
  3. Step 3: Cross multiply
    257,228x = 366,925 × 366,925
  4. Step 4: Simplify right side
    257,228x = 134,633,955,625
  5. Step 5: Solve for x
    x = 134,633,955,625/257,228
  6. Step 6: Final answer
    x = 523,403.19

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.