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Finding the Third Proportional to 100,448 and 151,968

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Solution

The third proportional to 100,448 and 151,968 is: 229,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,448 : 151,968 = 151,968 : x
  2. Step 2: Convert to fraction form
    100,448/151,968 = 151,968/x
  3. Step 3: Cross multiply
    100,448x = 151,968 × 151,968
  4. Step 4: Simplify right side
    100,448x = 23,094,273,024
  5. Step 5: Solve for x
    x = 23,094,273,024/100,448
  6. Step 6: Final answer
    x = 229,912.72

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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.