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Finding the Third Proportional to 8,993 and 19,758

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Solution

The third proportional to 8,993 and 19,758 is: 43,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993 : 19,758 = 19,758 : x
  2. Step 2: Convert to fraction form
    8,993/19,758 = 19,758/x
  3. Step 3: Cross multiply
    8,993x = 19,758 × 19,758
  4. Step 4: Simplify right side
    8,993x = 390,378,564
  5. Step 5: Solve for x
    x = 390,378,564/8,993
  6. Step 6: Final answer
    x = 43,409.16

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.