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Finding the Third Proportional to 9,696.19 and 20,876.63

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Solution

The third proportional to 9,696.19 and 20,876.63 is: 44,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,696.19 : 20,876.63 = 20,876.63 : x
  2. Step 2: Convert to fraction form
    9,696.19/20,876.63 = 20,876.63/x
  3. Step 3: Cross multiply
    9,696.19x = 20,876.63 × 20,876.63
  4. Step 4: Simplify right side
    9,696.19x = 435,833,471.39
  5. Step 5: Solve for x
    x = 435,833,471.39/9,696.19
  6. Step 6: Final answer
    x = 44,948.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.