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Finding the Third Proportional to 28,938 and 62,732

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Solution

The third proportional to 28,938 and 62,732 is: 135,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938 : 62,732 = 62,732 : x
  2. Step 2: Convert to fraction form
    28,938/62,732 = 62,732/x
  3. Step 3: Cross multiply
    28,938x = 62,732 × 62,732
  4. Step 4: Simplify right side
    28,938x = 3,935,303,824
  5. Step 5: Solve for x
    x = 3,935,303,824/28,938
  6. Step 6: Final answer
    x = 135,990.87

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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.