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Finding the Third Proportional to 113,403 and 248,622

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Solution

The third proportional to 113,403 and 248,622 is: 545,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,403 : 248,622 = 248,622 : x
  2. Step 2: Convert to fraction form
    113,403/248,622 = 248,622/x
  3. Step 3: Cross multiply
    113,403x = 248,622 × 248,622
  4. Step 4: Simplify right side
    113,403x = 61,812,898,884
  5. Step 5: Solve for x
    x = 61,812,898,884/113,403
  6. Step 6: Final answer
    x = 545,072.87

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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.