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Finding the Third Proportional to 151,780 and 228,159

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Solution

The third proportional to 151,780 and 228,159 is: 342,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,780 : 228,159 = 228,159 : x
  2. Step 2: Convert to fraction form
    151,780/228,159 = 228,159/x
  3. Step 3: Cross multiply
    151,780x = 228,159 × 228,159
  4. Step 4: Simplify right side
    151,780x = 52,056,529,281
  5. Step 5: Solve for x
    x = 52,056,529,281/151,780
  6. Step 6: Final answer
    x = 342,973.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.