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Finding the Third Proportional to 147,388 and 222,242

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Solution

The third proportional to 147,388 and 222,242 is: 335,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,388 : 222,242 = 222,242 : x
  2. Step 2: Convert to fraction form
    147,388/222,242 = 222,242/x
  3. Step 3: Cross multiply
    147,388x = 222,242 × 222,242
  4. Step 4: Simplify right side
    147,388x = 49,391,506,564
  5. Step 5: Solve for x
    x = 49,391,506,564/147,388
  6. Step 6: Final answer
    x = 335,112.13

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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.