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Finding the Third Proportional to 113,328 and 248,400

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Solution

The third proportional to 113,328 and 248,400 is: 544,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,328 : 248,400 = 248,400 : x
  2. Step 2: Convert to fraction form
    113,328/248,400 = 248,400/x
  3. Step 3: Cross multiply
    113,328x = 248,400 × 248,400
  4. Step 4: Simplify right side
    113,328x = 61,702,560,000
  5. Step 5: Solve for x
    x = 61,702,560,000/113,328
  6. Step 6: Final answer
    x = 544,459.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.