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Finding the Third Proportional to 140,629 and 303,706

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Solution

The third proportional to 140,629 and 303,706 is: 655,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,629 : 303,706 = 303,706 : x
  2. Step 2: Convert to fraction form
    140,629/303,706 = 303,706/x
  3. Step 3: Cross multiply
    140,629x = 303,706 × 303,706
  4. Step 4: Simplify right side
    140,629x = 92,237,334,436
  5. Step 5: Solve for x
    x = 92,237,334,436/140,629
  6. Step 6: Final answer
    x = 655,891.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.