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Finding the Third Proportional to 202,361 and 296,980

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Solution

The third proportional to 202,361 and 296,980 is: 435,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,361 : 296,980 = 296,980 : x
  2. Step 2: Convert to fraction form
    202,361/296,980 = 296,980/x
  3. Step 3: Cross multiply
    202,361x = 296,980 × 296,980
  4. Step 4: Simplify right side
    202,361x = 88,197,120,400
  5. Step 5: Solve for x
    x = 88,197,120,400/202,361
  6. Step 6: Final answer
    x = 435,840.50

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.