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Finding the Third Proportional to 122,489 and 183,734.50

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Solution

The third proportional to 122,489 and 183,734.50 is: 275,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,489 : 183,734.50 = 183,734.50 : x
  2. Step 2: Convert to fraction form
    122,489/183,734.50 = 183,734.50/x
  3. Step 3: Cross multiply
    122,489x = 183,734.50 × 183,734.50
  4. Step 4: Simplify right side
    122,489x = 33,758,366,490.25
  5. Step 5: Solve for x
    x = 33,758,366,490.25/122,489
  6. Step 6: Final answer
    x = 275,603.25

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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.