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Finding the Third Proportional to 70,483 and 102,912

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Solution

The third proportional to 70,483 and 102,912 is: 150,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,483 : 102,912 = 102,912 : x
  2. Step 2: Convert to fraction form
    70,483/102,912 = 102,912/x
  3. Step 3: Cross multiply
    70,483x = 102,912 × 102,912
  4. Step 4: Simplify right side
    70,483x = 10,590,879,744
  5. Step 5: Solve for x
    x = 10,590,879,744/70,483
  6. Step 6: Final answer
    x = 150,261.48

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.