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Finding the Third Proportional to 17,280 and 26,102.25

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Solution

The third proportional to 17,280 and 26,102.25 is: 39,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280 : 26,102.25 = 26,102.25 : x
  2. Step 2: Convert to fraction form
    17,280/26,102.25 = 26,102.25/x
  3. Step 3: Cross multiply
    17,280x = 26,102.25 × 26,102.25
  4. Step 4: Simplify right side
    17,280x = 681,327,455.06
  5. Step 5: Solve for x
    x = 681,327,455.06/17,280
  6. Step 6: Final answer
    x = 39,428.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.