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Finding the Third Proportional to 17,250 and 26,720.25

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Solution

The third proportional to 17,250 and 26,720.25 is: 41,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,250 : 26,720.25 = 26,720.25 : x
  2. Step 2: Convert to fraction form
    17,250/26,720.25 = 26,720.25/x
  3. Step 3: Cross multiply
    17,250x = 26,720.25 × 26,720.25
  4. Step 4: Simplify right side
    17,250x = 713,971,760.06
  5. Step 5: Solve for x
    x = 713,971,760.06/17,250
  6. Step 6: Final answer
    x = 41,389.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.