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Finding the Third Proportional to 17,457 and 26,128.50

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Solution

The third proportional to 17,457 and 26,128.50 is: 39,107.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,457 : 26,128.50 = 26,128.50 : x
  2. Step 2: Convert to fraction form
    17,457/26,128.50 = 26,128.50/x
  3. Step 3: Cross multiply
    17,457x = 26,128.50 × 26,128.50
  4. Step 4: Simplify right side
    17,457x = 682,698,512.25
  5. Step 5: Solve for x
    x = 682,698,512.25/17,457
  6. Step 6: Final answer
    x = 39,107.44

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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.