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Finding the Third Proportional to 118,116 and 159,129

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Solution

The third proportional to 118,116 and 159,129 is: 214,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,116 : 159,129 = 159,129 : x
  2. Step 2: Convert to fraction form
    118,116/159,129 = 159,129/x
  3. Step 3: Cross multiply
    118,116x = 159,129 × 159,129
  4. Step 4: Simplify right side
    118,116x = 25,322,038,641
  5. Step 5: Solve for x
    x = 25,322,038,641/118,116
  6. Step 6: Final answer
    x = 214,382.80

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.