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Finding the Third Proportional to 60,790.50 and 127,696.50

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Solution

The third proportional to 60,790.50 and 127,696.50 is: 268,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,790.50 : 127,696.50 = 127,696.50 : x
  2. Step 2: Convert to fraction form
    60,790.50/127,696.50 = 127,696.50/x
  3. Step 3: Cross multiply
    60,790.50x = 127,696.50 × 127,696.50
  4. Step 4: Simplify right side
    60,790.50x = 16,306,396,112.25
  5. Step 5: Solve for x
    x = 16,306,396,112.25/60,790.50
  6. Step 6: Final answer
    x = 268,239.22

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.