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Finding the Third Proportional to 51,129 and 106,954.50

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Solution

The third proportional to 51,129 and 106,954.50 is: 223,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129 : 106,954.50 = 106,954.50 : x
  2. Step 2: Convert to fraction form
    51,129/106,954.50 = 106,954.50/x
  3. Step 3: Cross multiply
    51,129x = 106,954.50 × 106,954.50
  4. Step 4: Simplify right side
    51,129x = 11,439,265,070.25
  5. Step 5: Solve for x
    x = 11,439,265,070.25/51,129
  6. Step 6: Final answer
    x = 223,733.40

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.