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Finding the Third Proportional to 101,236.50 and 221,541.75

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Solution

The third proportional to 101,236.50 and 221,541.75 is: 484,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,236.50 : 221,541.75 = 221,541.75 : x
  2. Step 2: Convert to fraction form
    101,236.50/221,541.75 = 221,541.75/x
  3. Step 3: Cross multiply
    101,236.50x = 221,541.75 × 221,541.75
  4. Step 4: Simplify right side
    101,236.50x = 49,080,746,993.06
  5. Step 5: Solve for x
    x = 49,080,746,993.06/101,236.50
  6. Step 6: Final answer
    x = 484,812.76

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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.