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Finding the Third Proportional to 83,072 and 124,275

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Solution

The third proportional to 83,072 and 124,275 is: 185,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,072 : 124,275 = 124,275 : x
  2. Step 2: Convert to fraction form
    83,072/124,275 = 124,275/x
  3. Step 3: Cross multiply
    83,072x = 124,275 × 124,275
  4. Step 4: Simplify right side
    83,072x = 15,444,275,625
  5. Step 5: Solve for x
    x = 15,444,275,625/83,072
  6. Step 6: Final answer
    x = 185,914.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.