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Finding the Third Proportional to 242,198 and 525,222

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Solution

The third proportional to 242,198 and 525,222 is: 1,138,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,198 : 525,222 = 525,222 : x
  2. Step 2: Convert to fraction form
    242,198/525,222 = 525,222/x
  3. Step 3: Cross multiply
    242,198x = 525,222 × 525,222
  4. Step 4: Simplify right side
    242,198x = 275,858,149,284
  5. Step 5: Solve for x
    x = 275,858,149,284/242,198
  6. Step 6: Final answer
    x = 1,138,977.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.