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Finding the Third Proportional to 172,570.50 and 261,528.75

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Solution

The third proportional to 172,570.50 and 261,528.75 is: 396,344.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,570.50 : 261,528.75 = 261,528.75 : x
  2. Step 2: Convert to fraction form
    172,570.50/261,528.75 = 261,528.75/x
  3. Step 3: Cross multiply
    172,570.50x = 261,528.75 × 261,528.75
  4. Step 4: Simplify right side
    172,570.50x = 68,397,287,076.56
  5. Step 5: Solve for x
    x = 68,397,287,076.56/172,570.50
  6. Step 6: Final answer
    x = 396,344.03

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.