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Finding the Third Proportional to 10,028.75 and 15,416.25

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Solution

The third proportional to 10,028.75 and 15,416.25 is: 23,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.75 : 15,416.25 = 15,416.25 : x
  2. Step 2: Convert to fraction form
    10,028.75/15,416.25 = 15,416.25/x
  3. Step 3: Cross multiply
    10,028.75x = 15,416.25 × 15,416.25
  4. Step 4: Simplify right side
    10,028.75x = 237,660,764.06
  5. Step 5: Solve for x
    x = 237,660,764.06/10,028.75
  6. Step 6: Final answer
    x = 23,697.94

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.