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Finding the Third Proportional to 162,216 and 239,112

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Solution

The third proportional to 162,216 and 239,112 is: 352,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,216 : 239,112 = 239,112 : x
  2. Step 2: Convert to fraction form
    162,216/239,112 = 239,112/x
  3. Step 3: Cross multiply
    162,216x = 239,112 × 239,112
  4. Step 4: Simplify right side
    162,216x = 57,174,548,544
  5. Step 5: Solve for x
    x = 57,174,548,544/162,216
  6. Step 6: Final answer
    x = 352,459.37

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.