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Finding the Third Proportional to 248,201.72 and 371,300.20

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Solution

The third proportional to 248,201.72 and 371,300.20 is: 555,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,201.72 : 371,300.20 = 371,300.20 : x
  2. Step 2: Convert to fraction form
    248,201.72/371,300.20 = 371,300.20/x
  3. Step 3: Cross multiply
    248,201.72x = 371,300.20 × 371,300.20
  4. Step 4: Simplify right side
    248,201.72x = 137,863,840,840.67
  5. Step 5: Solve for x
    x = 137,863,840,840.67/248,201.72
  6. Step 6: Final answer
    x = 555,450.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.