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Finding the Third Proportional to 16,719.75 and 25,971.75

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Solution

The third proportional to 16,719.75 and 25,971.75 is: 40,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.75 : 25,971.75 = 25,971.75 : x
  2. Step 2: Convert to fraction form
    16,719.75/25,971.75 = 25,971.75/x
  3. Step 3: Cross multiply
    16,719.75x = 25,971.75 × 25,971.75
  4. Step 4: Simplify right side
    16,719.75x = 674,531,798.06
  5. Step 5: Solve for x
    x = 674,531,798.06/16,719.75
  6. Step 6: Final answer
    x = 40,343.41

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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.