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Finding the Third Proportional to 28,896 and 43,148

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Solution

The third proportional to 28,896 and 43,148 is: 64,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896 : 43,148 = 43,148 : x
  2. Step 2: Convert to fraction form
    28,896/43,148 = 43,148/x
  3. Step 3: Cross multiply
    28,896x = 43,148 × 43,148
  4. Step 4: Simplify right side
    28,896x = 1,861,749,904
  5. Step 5: Solve for x
    x = 1,861,749,904/28,896
  6. Step 6: Final answer
    x = 64,429.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.