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Finding the Third Proportional to 97,903 and 208,607

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Solution

The third proportional to 97,903 and 208,607 is: 444,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,903 : 208,607 = 208,607 : x
  2. Step 2: Convert to fraction form
    97,903/208,607 = 208,607/x
  3. Step 3: Cross multiply
    97,903x = 208,607 × 208,607
  4. Step 4: Simplify right side
    97,903x = 43,516,880,449
  5. Step 5: Solve for x
    x = 43,516,880,449/97,903
  6. Step 6: Final answer
    x = 444,489.75

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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.