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Finding the Third Proportional to 98,930 and 214,272

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Solution

The third proportional to 98,930 and 214,272 is: 464,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,930 : 214,272 = 214,272 : x
  2. Step 2: Convert to fraction form
    98,930/214,272 = 214,272/x
  3. Step 3: Cross multiply
    98,930x = 214,272 × 214,272
  4. Step 4: Simplify right side
    98,930x = 45,912,489,984
  5. Step 5: Solve for x
    x = 45,912,489,984/98,930
  6. Step 6: Final answer
    x = 464,090.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.