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Finding the Third Proportional to 16,690.50 and 25,993.13

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Solution

The third proportional to 16,690.50 and 25,993.13 is: 40,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.50 : 25,993.13 = 25,993.13 : x
  2. Step 2: Convert to fraction form
    16,690.50/25,993.13 = 25,993.13/x
  3. Step 3: Cross multiply
    16,690.50x = 25,993.13 × 25,993.13
  4. Step 4: Simplify right side
    16,690.50x = 675,642,547.27
  5. Step 5: Solve for x
    x = 675,642,547.27/16,690.50
  6. Step 6: Final answer
    x = 40,480.67

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.