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Finding the Third Proportional to 25,770 and 39,012.75

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Solution

The third proportional to 25,770 and 39,012.75 is: 59,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,770 : 39,012.75 = 39,012.75 : x
  2. Step 2: Convert to fraction form
    25,770/39,012.75 = 39,012.75/x
  3. Step 3: Cross multiply
    25,770x = 39,012.75 × 39,012.75
  4. Step 4: Simplify right side
    25,770x = 1,521,994,662.56
  5. Step 5: Solve for x
    x = 1,521,994,662.56/25,770
  6. Step 6: Final answer
    x = 59,060.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.