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Finding the Third Proportional to 20,246.25 and 31,516.50

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Solution

The third proportional to 20,246.25 and 31,516.50 is: 49,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.25 : 31,516.50 = 31,516.50 : x
  2. Step 2: Convert to fraction form
    20,246.25/31,516.50 = 31,516.50/x
  3. Step 3: Cross multiply
    20,246.25x = 31,516.50 × 31,516.50
  4. Step 4: Simplify right side
    20,246.25x = 993,289,772.25
  5. Step 5: Solve for x
    x = 993,289,772.25/20,246.25
  6. Step 6: Final answer
    x = 49,060.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.