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Finding the Third Proportional to 158,632 and 211,480

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Solution

The third proportional to 158,632 and 211,480 is: 281,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,632 : 211,480 = 211,480 : x
  2. Step 2: Convert to fraction form
    158,632/211,480 = 211,480/x
  3. Step 3: Cross multiply
    158,632x = 211,480 × 211,480
  4. Step 4: Simplify right side
    158,632x = 44,723,790,400
  5. Step 5: Solve for x
    x = 44,723,790,400/158,632
  6. Step 6: Final answer
    x = 281,934.23

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.