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Finding the Third Proportional to 135,409.50 and 271,345.50

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Solution

The third proportional to 135,409.50 and 271,345.50 is: 543,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,409.50 : 271,345.50 = 271,345.50 : x
  2. Step 2: Convert to fraction form
    135,409.50/271,345.50 = 271,345.50/x
  3. Step 3: Cross multiply
    135,409.50x = 271,345.50 × 271,345.50
  4. Step 4: Simplify right side
    135,409.50x = 73,628,380,370.25
  5. Step 5: Solve for x
    x = 73,628,380,370.25/135,409.50
  6. Step 6: Final answer
    x = 543,746.05

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.