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Finding the Third Proportional to 250,000 and 550,028

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Solution

The third proportional to 250,000 and 550,028 is: 1,210,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,000 : 550,028 = 550,028 : x
  2. Step 2: Convert to fraction form
    250,000/550,028 = 550,028/x
  3. Step 3: Cross multiply
    250,000x = 550,028 × 550,028
  4. Step 4: Simplify right side
    250,000x = 302,530,800,784
  5. Step 5: Solve for x
    x = 302,530,800,784/250,000
  6. Step 6: Final answer
    x = 1,210,123.20

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.