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Finding the Third Proportional to 100,155 and 153,958.50

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Solution

The third proportional to 100,155 and 153,958.50 is: 236,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,155 : 153,958.50 = 153,958.50 : x
  2. Step 2: Convert to fraction form
    100,155/153,958.50 = 153,958.50/x
  3. Step 3: Cross multiply
    100,155x = 153,958.50 × 153,958.50
  4. Step 4: Simplify right side
    100,155x = 23,703,219,722.25
  5. Step 5: Solve for x
    x = 23,703,219,722.25/100,155
  6. Step 6: Final answer
    x = 236,665.37

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.