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Finding the Third Proportional to 97,206 and 211,980

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Solution

The third proportional to 97,206 and 211,980 is: 462,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,206 : 211,980 = 211,980 : x
  2. Step 2: Convert to fraction form
    97,206/211,980 = 211,980/x
  3. Step 3: Cross multiply
    97,206x = 211,980 × 211,980
  4. Step 4: Simplify right side
    97,206x = 44,935,520,400
  5. Step 5: Solve for x
    x = 44,935,520,400/97,206
  6. Step 6: Final answer
    x = 462,271.06

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.