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Finding the Third Proportional to 257,226 and 366,922

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Solution

The third proportional to 257,226 and 366,922 is: 523,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,226 : 366,922 = 366,922 : x
  2. Step 2: Convert to fraction form
    257,226/366,922 = 366,922/x
  3. Step 3: Cross multiply
    257,226x = 366,922 × 366,922
  4. Step 4: Simplify right side
    257,226x = 134,631,754,084
  5. Step 5: Solve for x
    x = 134,631,754,084/257,226
  6. Step 6: Final answer
    x = 523,398.70

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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.