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Finding the Third Proportional to 136,155 and 203,412.38

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Solution

The third proportional to 136,155 and 203,412.38 is: 303,893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,155 : 203,412.38 = 203,412.38 : x
  2. Step 2: Convert to fraction form
    136,155/203,412.38 = 203,412.38/x
  3. Step 3: Cross multiply
    136,155x = 203,412.38 × 203,412.38
  4. Step 4: Simplify right side
    136,155x = 41,376,594,303.14
  5. Step 5: Solve for x
    x = 41,376,594,303.14/136,155
  6. Step 6: Final answer
    x = 303,893.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.