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Finding the Third Proportional to 122,854.50 and 190,843.50

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Solution

The third proportional to 122,854.50 and 190,843.50 is: 296,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,854.50 : 190,843.50 = 190,843.50 : x
  2. Step 2: Convert to fraction form
    122,854.50/190,843.50 = 190,843.50/x
  3. Step 3: Cross multiply
    122,854.50x = 190,843.50 × 190,843.50
  4. Step 4: Simplify right side
    122,854.50x = 36,421,241,492.25
  5. Step 5: Solve for x
    x = 36,421,241,492.25/122,854.50
  6. Step 6: Final answer
    x = 296,458.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.