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Finding the Third Proportional to 251,821.50 and 540,912

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Solution

The third proportional to 251,821.50 and 540,912 is: 1,161,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,821.50 : 540,912 = 540,912 : x
  2. Step 2: Convert to fraction form
    251,821.50/540,912 = 540,912/x
  3. Step 3: Cross multiply
    251,821.50x = 540,912 × 540,912
  4. Step 4: Simplify right side
    251,821.50x = 292,585,791,744
  5. Step 5: Solve for x
    x = 292,585,791,744/251,821.50
  6. Step 6: Final answer
    x = 1,161,877.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.