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Finding the Third Proportional to 28,927.50 and 62,679

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Solution

The third proportional to 28,927.50 and 62,679 is: 135,810.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.50 : 62,679 = 62,679 : x
  2. Step 2: Convert to fraction form
    28,927.50/62,679 = 62,679/x
  3. Step 3: Cross multiply
    28,927.50x = 62,679 × 62,679
  4. Step 4: Simplify right side
    28,927.50x = 3,928,657,041
  5. Step 5: Solve for x
    x = 3,928,657,041/28,927.50
  6. Step 6: Final answer
    x = 135,810.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.