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Finding the Third Proportional to 82,025 and 133,937

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Solution

The third proportional to 82,025 and 133,937 is: 218,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,025 : 133,937 = 133,937 : x
  2. Step 2: Convert to fraction form
    82,025/133,937 = 133,937/x
  3. Step 3: Cross multiply
    82,025x = 133,937 × 133,937
  4. Step 4: Simplify right side
    82,025x = 17,939,119,969
  5. Step 5: Solve for x
    x = 17,939,119,969/82,025
  6. Step 6: Final answer
    x = 218,703.08

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.