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Finding the Third Proportional to 148,912 and 324,088

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Solution

The third proportional to 148,912 and 324,088 is: 705,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,912 : 324,088 = 324,088 : x
  2. Step 2: Convert to fraction form
    148,912/324,088 = 324,088/x
  3. Step 3: Cross multiply
    148,912x = 324,088 × 324,088
  4. Step 4: Simplify right side
    148,912x = 105,033,031,744
  5. Step 5: Solve for x
    x = 105,033,031,744/148,912
  6. Step 6: Final answer
    x = 705,336.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.