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Finding the Third Proportional to 28,933 and 62,989

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Solution

The third proportional to 28,933 and 62,989 is: 137,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933 : 62,989 = 62,989 : x
  2. Step 2: Convert to fraction form
    28,933/62,989 = 62,989/x
  3. Step 3: Cross multiply
    28,933x = 62,989 × 62,989
  4. Step 4: Simplify right side
    28,933x = 3,967,614,121
  5. Step 5: Solve for x
    x = 3,967,614,121/28,933
  6. Step 6: Final answer
    x = 137,131.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.