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Finding the Third Proportional to 25,170.50 and 39,987.75

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Solution

The third proportional to 25,170.50 and 39,987.75 is: 63,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.50 : 39,987.75 = 39,987.75 : x
  2. Step 2: Convert to fraction form
    25,170.50/39,987.75 = 39,987.75/x
  3. Step 3: Cross multiply
    25,170.50x = 39,987.75 × 39,987.75
  4. Step 4: Simplify right side
    25,170.50x = 1,599,020,150.06
  5. Step 5: Solve for x
    x = 1,599,020,150.06/25,170.50
  6. Step 6: Final answer
    x = 63,527.55

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.