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Finding the Third Proportional to 13,054 and 19,887

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Solution

The third proportional to 13,054 and 19,887 is: 30,296.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054 : 19,887 = 19,887 : x
  2. Step 2: Convert to fraction form
    13,054/19,887 = 19,887/x
  3. Step 3: Cross multiply
    13,054x = 19,887 × 19,887
  4. Step 4: Simplify right side
    13,054x = 395,492,769
  5. Step 5: Solve for x
    x = 395,492,769/13,054
  6. Step 6: Final answer
    x = 30,296.67

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.