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Finding the Third Proportional to 74,734 and 114,290

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Solution

The third proportional to 74,734 and 114,290 is: 174,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734 : 114,290 = 114,290 : x
  2. Step 2: Convert to fraction form
    74,734/114,290 = 114,290/x
  3. Step 3: Cross multiply
    74,734x = 114,290 × 114,290
  4. Step 4: Simplify right side
    74,734x = 13,062,204,100
  5. Step 5: Solve for x
    x = 13,062,204,100/74,734
  6. Step 6: Final answer
    x = 174,782.62

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.