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Finding the Third Proportional to 12,955.50 and 28,251

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Solution

The third proportional to 12,955.50 and 28,251 is: 61,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.50 : 28,251 = 28,251 : x
  2. Step 2: Convert to fraction form
    12,955.50/28,251 = 28,251/x
  3. Step 3: Cross multiply
    12,955.50x = 28,251 × 28,251
  4. Step 4: Simplify right side
    12,955.50x = 798,119,001
  5. Step 5: Solve for x
    x = 798,119,001/12,955.50
  6. Step 6: Final answer
    x = 61,604.65

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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.