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Finding the Third Proportional to 171,025.50 and 257,564.25

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Solution

The third proportional to 171,025.50 and 257,564.25 is: 387,891.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,025.50 : 257,564.25 = 257,564.25 : x
  2. Step 2: Convert to fraction form
    171,025.50/257,564.25 = 257,564.25/x
  3. Step 3: Cross multiply
    171,025.50x = 257,564.25 × 257,564.25
  4. Step 4: Simplify right side
    171,025.50x = 66,339,342,878.06
  5. Step 5: Solve for x
    x = 66,339,342,878.06/171,025.50
  6. Step 6: Final answer
    x = 387,891.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.