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Finding the Third Proportional to 197,113.50 and 428,692.50

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Solution

The third proportional to 197,113.50 and 428,692.50 is: 932,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,113.50 : 428,692.50 = 428,692.50 : x
  2. Step 2: Convert to fraction form
    197,113.50/428,692.50 = 428,692.50/x
  3. Step 3: Cross multiply
    197,113.50x = 428,692.50 × 428,692.50
  4. Step 4: Simplify right side
    197,113.50x = 183,777,259,556.25
  5. Step 5: Solve for x
    x = 183,777,259,556.25/197,113.50
  6. Step 6: Final answer
    x = 932,342.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.