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Finding the Third Proportional to 27,735.75 and 63,180

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Solution

The third proportional to 27,735.75 and 63,180 is: 143,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,735.75 : 63,180 = 63,180 : x
  2. Step 2: Convert to fraction form
    27,735.75/63,180 = 63,180/x
  3. Step 3: Cross multiply
    27,735.75x = 63,180 × 63,180
  4. Step 4: Simplify right side
    27,735.75x = 3,991,712,400
  5. Step 5: Solve for x
    x = 3,991,712,400/27,735.75
  6. Step 6: Final answer
    x = 143,919.40

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.