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Finding the Third Proportional to 76,324.50 and 154,719

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Solution

The third proportional to 76,324.50 and 154,719 is: 313,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,324.50 : 154,719 = 154,719 : x
  2. Step 2: Convert to fraction form
    76,324.50/154,719 = 154,719/x
  3. Step 3: Cross multiply
    76,324.50x = 154,719 × 154,719
  4. Step 4: Simplify right side
    76,324.50x = 23,937,968,961
  5. Step 5: Solve for x
    x = 23,937,968,961/76,324.50
  6. Step 6: Final answer
    x = 313,634.14

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.