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Finding the Third Proportional to 25,809 and 39,453.75

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Solution

The third proportional to 25,809 and 39,453.75 is: 60,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809 : 39,453.75 = 39,453.75 : x
  2. Step 2: Convert to fraction form
    25,809/39,453.75 = 39,453.75/x
  3. Step 3: Cross multiply
    25,809x = 39,453.75 × 39,453.75
  4. Step 4: Simplify right side
    25,809x = 1,556,598,389.06
  5. Step 5: Solve for x
    x = 1,556,598,389.06/25,809
  6. Step 6: Final answer
    x = 60,312.23

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.