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Finding the Third Proportional to 241,989 and 555,436

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Solution

The third proportional to 241,989 and 555,436 is: 1,274,889.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,989 : 555,436 = 555,436 : x
  2. Step 2: Convert to fraction form
    241,989/555,436 = 555,436/x
  3. Step 3: Cross multiply
    241,989x = 555,436 × 555,436
  4. Step 4: Simplify right side
    241,989x = 308,509,150,096
  5. Step 5: Solve for x
    x = 308,509,150,096/241,989
  6. Step 6: Final answer
    x = 1,274,889.15

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.