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Finding the Third Proportional to 100,466 and 214,260

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Solution

The third proportional to 100,466 and 214,260 is: 456,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,466 : 214,260 = 214,260 : x
  2. Step 2: Convert to fraction form
    100,466/214,260 = 214,260/x
  3. Step 3: Cross multiply
    100,466x = 214,260 × 214,260
  4. Step 4: Simplify right side
    100,466x = 45,907,347,600
  5. Step 5: Solve for x
    x = 45,907,347,600/100,466
  6. Step 6: Final answer
    x = 456,944.12

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.