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Finding the Third Proportional to 28,722 and 62,938

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Solution

The third proportional to 28,722 and 62,938 is: 137,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722 : 62,938 = 62,938 : x
  2. Step 2: Convert to fraction form
    28,722/62,938 = 62,938/x
  3. Step 3: Cross multiply
    28,722x = 62,938 × 62,938
  4. Step 4: Simplify right side
    28,722x = 3,961,191,844
  5. Step 5: Solve for x
    x = 3,961,191,844/28,722
  6. Step 6: Final answer
    x = 137,914.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.