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Finding the Third Proportional to 84,561.75 and 133,800.75

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Solution

The third proportional to 84,561.75 and 133,800.75 is: 211,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,561.75 : 133,800.75 = 133,800.75 : x
  2. Step 2: Convert to fraction form
    84,561.75/133,800.75 = 133,800.75/x
  3. Step 3: Cross multiply
    84,561.75x = 133,800.75 × 133,800.75
  4. Step 4: Simplify right side
    84,561.75x = 17,902,640,700.56
  5. Step 5: Solve for x
    x = 17,902,640,700.56/84,561.75
  6. Step 6: Final answer
    x = 211,710.86

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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.