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Finding the Third Proportional to 34,980.75 and 75,489.75

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Solution

The third proportional to 34,980.75 and 75,489.75 is: 162,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,980.75 : 75,489.75 = 75,489.75 : x
  2. Step 2: Convert to fraction form
    34,980.75/75,489.75 = 75,489.75/x
  3. Step 3: Cross multiply
    34,980.75x = 75,489.75 × 75,489.75
  4. Step 4: Simplify right side
    34,980.75x = 5,698,702,355.06
  5. Step 5: Solve for x
    x = 5,698,702,355.06/34,980.75
  6. Step 6: Final answer
    x = 162,909.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.