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Finding the Third Proportional to 25,720.03 and 39,764.67

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Solution

The third proportional to 25,720.03 and 39,764.67 is: 61,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.03 : 39,764.67 = 39,764.67 : x
  2. Step 2: Convert to fraction form
    25,720.03/39,764.67 = 39,764.67/x
  3. Step 3: Cross multiply
    25,720.03x = 39,764.67 × 39,764.67
  4. Step 4: Simplify right side
    25,720.03x = 1,581,229,129.33
  5. Step 5: Solve for x
    x = 1,581,229,129.33/25,720.03
  6. Step 6: Final answer
    x = 61,478.51

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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.