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Finding the Third Proportional to 131,019 and 207,798

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Solution

The third proportional to 131,019 and 207,798 is: 329,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,019 : 207,798 = 207,798 : x
  2. Step 2: Convert to fraction form
    131,019/207,798 = 207,798/x
  3. Step 3: Cross multiply
    131,019x = 207,798 × 207,798
  4. Step 4: Simplify right side
    131,019x = 43,180,008,804
  5. Step 5: Solve for x
    x = 43,180,008,804/131,019
  6. Step 6: Final answer
    x = 329,570.59

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.