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Finding the Third Proportional to 100,914 and 158,316.75

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Solution

The third proportional to 100,914 and 158,316.75 is: 248,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,914 : 158,316.75 = 158,316.75 : x
  2. Step 2: Convert to fraction form
    100,914/158,316.75 = 158,316.75/x
  3. Step 3: Cross multiply
    100,914x = 158,316.75 × 158,316.75
  4. Step 4: Simplify right side
    100,914x = 25,064,193,330.56
  5. Step 5: Solve for x
    x = 25,064,193,330.56/100,914
  6. Step 6: Final answer
    x = 248,371.81

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.