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Finding the Third Proportional to 28,932 and 43,480

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Solution

The third proportional to 28,932 and 43,480 is: 65,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932 : 43,480 = 43,480 : x
  2. Step 2: Convert to fraction form
    28,932/43,480 = 43,480/x
  3. Step 3: Cross multiply
    28,932x = 43,480 × 43,480
  4. Step 4: Simplify right side
    28,932x = 1,890,510,400
  5. Step 5: Solve for x
    x = 1,890,510,400/28,932
  6. Step 6: Final answer
    x = 65,343.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.