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Finding the Third Proportional to 128,425.50 and 184,376.25

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Solution

The third proportional to 128,425.50 and 184,376.25 is: 264,702.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,425.50 : 184,376.25 = 184,376.25 : x
  2. Step 2: Convert to fraction form
    128,425.50/184,376.25 = 184,376.25/x
  3. Step 3: Cross multiply
    128,425.50x = 184,376.25 × 184,376.25
  4. Step 4: Simplify right side
    128,425.50x = 33,994,601,564.06
  5. Step 5: Solve for x
    x = 33,994,601,564.06/128,425.50
  6. Step 6: Final answer
    x = 264,702.89

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.