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Finding the Third Proportional to 98,962 and 207,645

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Solution

The third proportional to 98,962 and 207,645 is: 435,686.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,962 : 207,645 = 207,645 : x
  2. Step 2: Convert to fraction form
    98,962/207,645 = 207,645/x
  3. Step 3: Cross multiply
    98,962x = 207,645 × 207,645
  4. Step 4: Simplify right side
    98,962x = 43,116,446,025
  5. Step 5: Solve for x
    x = 43,116,446,025/98,962
  6. Step 6: Final answer
    x = 435,686.89

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.