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Finding the Third Proportional to 231,033.50 and 289,201.50

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Solution

The third proportional to 231,033.50 and 289,201.50 is: 362,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,033.50 : 289,201.50 = 289,201.50 : x
  2. Step 2: Convert to fraction form
    231,033.50/289,201.50 = 289,201.50/x
  3. Step 3: Cross multiply
    231,033.50x = 289,201.50 × 289,201.50
  4. Step 4: Simplify right side
    231,033.50x = 83,637,507,602.25
  5. Step 5: Solve for x
    x = 83,637,507,602.25/231,033.50
  6. Step 6: Final answer
    x = 362,014.63

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Why These Related Problems?

These problems maintain the same ratio (1.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.