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Finding the Third Proportional to 42,738 and 94,230

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Solution

The third proportional to 42,738 and 94,230 is: 207,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,738 : 94,230 = 94,230 : x
  2. Step 2: Convert to fraction form
    42,738/94,230 = 94,230/x
  3. Step 3: Cross multiply
    42,738x = 94,230 × 94,230
  4. Step 4: Simplify right side
    42,738x = 8,879,292,900
  5. Step 5: Solve for x
    x = 8,879,292,900/42,738
  6. Step 6: Final answer
    x = 207,761.08

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.