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Finding the Third Proportional to 603,389.75 and 1,321,992

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Solution

The third proportional to 603,389.75 and 1,321,992 is: 2,896,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,389.75 : 1,321,992 = 1,321,992 : x
  2. Step 2: Convert to fraction form
    603,389.75/1,321,992 = 1,321,992/x
  3. Step 3: Cross multiply
    603,389.75x = 1,321,992 × 1,321,992
  4. Step 4: Simplify right side
    603,389.75x = 1,747,662,848,064
  5. Step 5: Solve for x
    x = 1,747,662,848,064/603,389.75
  6. Step 6: Final answer
    x = 2,896,407.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.