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Finding the Third Proportional to 171,397.50 and 396,730.50

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Solution

The third proportional to 171,397.50 and 396,730.50 is: 918,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,397.50 : 396,730.50 = 396,730.50 : x
  2. Step 2: Convert to fraction form
    171,397.50/396,730.50 = 396,730.50/x
  3. Step 3: Cross multiply
    171,397.50x = 396,730.50 × 396,730.50
  4. Step 4: Simplify right side
    171,397.50x = 157,395,089,630.25
  5. Step 5: Solve for x
    x = 157,395,089,630.25/171,397.50
  6. Step 6: Final answer
    x = 918,304.47

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.