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Finding the Third Proportional to 74,907.28 and 100,923.47

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Solution

The third proportional to 74,907.28 and 100,923.47 is: 135,975.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,907.28 : 100,923.47 = 100,923.47 : x
  2. Step 2: Convert to fraction form
    74,907.28/100,923.47 = 100,923.47/x
  3. Step 3: Cross multiply
    74,907.28x = 100,923.47 × 100,923.47
  4. Step 4: Simplify right side
    74,907.28x = 10,185,546,544.53
  5. Step 5: Solve for x
    x = 10,185,546,544.53/74,907.28
  6. Step 6: Final answer
    x = 135,975.39

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.