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Finding the Third Proportional to 17,925.75 and 39,435.75

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Solution

The third proportional to 17,925.75 and 39,435.75 is: 86,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,925.75 : 39,435.75 = 39,435.75 : x
  2. Step 2: Convert to fraction form
    17,925.75/39,435.75 = 39,435.75/x
  3. Step 3: Cross multiply
    17,925.75x = 39,435.75 × 39,435.75
  4. Step 4: Simplify right side
    17,925.75x = 1,555,178,378.06
  5. Step 5: Solve for x
    x = 1,555,178,378.06/17,925.75
  6. Step 6: Final answer
    x = 86,756.67

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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.