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Finding the Third Proportional to 15,693.75 and 19,055.25

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Solution

The third proportional to 15,693.75 and 19,055.25 is: 23,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.75 : 19,055.25 = 19,055.25 : x
  2. Step 2: Convert to fraction form
    15,693.75/19,055.25 = 19,055.25/x
  3. Step 3: Cross multiply
    15,693.75x = 19,055.25 × 19,055.25
  4. Step 4: Simplify right side
    15,693.75x = 363,102,552.56
  5. Step 5: Solve for x
    x = 363,102,552.56/15,693.75
  6. Step 6: Final answer
    x = 23,136.76

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These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.