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Finding the Third Proportional to 201,981 and 307,168

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Solution

The third proportional to 201,981 and 307,168 is: 467,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,981 : 307,168 = 307,168 : x
  2. Step 2: Convert to fraction form
    201,981/307,168 = 307,168/x
  3. Step 3: Cross multiply
    201,981x = 307,168 × 307,168
  4. Step 4: Simplify right side
    201,981x = 94,352,180,224
  5. Step 5: Solve for x
    x = 94,352,180,224/201,981
  6. Step 6: Final answer
    x = 467,133.94

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.