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Finding the Third Proportional to 135,027 and 213,534

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Solution

The third proportional to 135,027 and 213,534 is: 337,686.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,027 : 213,534 = 213,534 : x
  2. Step 2: Convert to fraction form
    135,027/213,534 = 213,534/x
  3. Step 3: Cross multiply
    135,027x = 213,534 × 213,534
  4. Step 4: Simplify right side
    135,027x = 45,596,769,156
  5. Step 5: Solve for x
    x = 45,596,769,156/135,027
  6. Step 6: Final answer
    x = 337,686.31

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.