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Finding the Third Proportional to 425,390.50 and 658,999

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Solution

The third proportional to 425,390.50 and 658,999 is: 1,020,896.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,390.50 : 658,999 = 658,999 : x
  2. Step 2: Convert to fraction form
    425,390.50/658,999 = 658,999/x
  3. Step 3: Cross multiply
    425,390.50x = 658,999 × 658,999
  4. Step 4: Simplify right side
    425,390.50x = 434,279,682,001
  5. Step 5: Solve for x
    x = 434,279,682,001/425,390.50
  6. Step 6: Final answer
    x = 1,020,896.52

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.