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Finding the Third Proportional to 96,959 and 212,980

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Solution

The third proportional to 96,959 and 212,980 is: 467,831.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,959 : 212,980 = 212,980 : x
  2. Step 2: Convert to fraction form
    96,959/212,980 = 212,980/x
  3. Step 3: Cross multiply
    96,959x = 212,980 × 212,980
  4. Step 4: Simplify right side
    96,959x = 45,360,480,400
  5. Step 5: Solve for x
    x = 45,360,480,400/96,959
  6. Step 6: Final answer
    x = 467,831.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.