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Finding the Third Proportional to 151,335 and 212,091.75

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Solution

The third proportional to 151,335 and 212,091.75 is: 297,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,335 : 212,091.75 = 212,091.75 : x
  2. Step 2: Convert to fraction form
    151,335/212,091.75 = 212,091.75/x
  3. Step 3: Cross multiply
    151,335x = 212,091.75 × 212,091.75
  4. Step 4: Simplify right side
    151,335x = 44,982,910,418.06
  5. Step 5: Solve for x
    x = 44,982,910,418.06/151,335
  6. Step 6: Final answer
    x = 297,240.63

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.