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Finding the Third Proportional to 109,021 and 235,228

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Solution

The third proportional to 109,021 and 235,228 is: 507,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,021 : 235,228 = 235,228 : x
  2. Step 2: Convert to fraction form
    109,021/235,228 = 235,228/x
  3. Step 3: Cross multiply
    109,021x = 235,228 × 235,228
  4. Step 4: Simplify right side
    109,021x = 55,332,211,984
  5. Step 5: Solve for x
    x = 55,332,211,984/109,021
  6. Step 6: Final answer
    x = 507,537.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.