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Finding the Third Proportional to 28,517 and 62,313

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Solution

The third proportional to 28,517 and 62,313 is: 136,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517 : 62,313 = 62,313 : x
  2. Step 2: Convert to fraction form
    28,517/62,313 = 62,313/x
  3. Step 3: Cross multiply
    28,517x = 62,313 × 62,313
  4. Step 4: Simplify right side
    28,517x = 3,882,909,969
  5. Step 5: Solve for x
    x = 3,882,909,969/28,517
  6. Step 6: Final answer
    x = 136,161.24

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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.