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Finding the Third Proportional to 30,385.50 and 62,013

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Solution

The third proportional to 30,385.50 and 62,013 is: 126,560.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385.50 : 62,013 = 62,013 : x
  2. Step 2: Convert to fraction form
    30,385.50/62,013 = 62,013/x
  3. Step 3: Cross multiply
    30,385.50x = 62,013 × 62,013
  4. Step 4: Simplify right side
    30,385.50x = 3,845,612,169
  5. Step 5: Solve for x
    x = 3,845,612,169/30,385.50
  6. Step 6: Final answer
    x = 126,560.77

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.