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Finding the Third Proportional to 135,321 and 293,604

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Solution

The third proportional to 135,321 and 293,604 is: 637,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,321 : 293,604 = 293,604 : x
  2. Step 2: Convert to fraction form
    135,321/293,604 = 293,604/x
  3. Step 3: Cross multiply
    135,321x = 293,604 × 293,604
  4. Step 4: Simplify right side
    135,321x = 86,203,308,816
  5. Step 5: Solve for x
    x = 86,203,308,816/135,321
  6. Step 6: Final answer
    x = 637,028.32

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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.