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Finding the Third Proportional to 20,846 and 31,271

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Solution

The third proportional to 20,846 and 31,271 is: 46,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846 : 31,271 = 31,271 : x
  2. Step 2: Convert to fraction form
    20,846/31,271 = 31,271/x
  3. Step 3: Cross multiply
    20,846x = 31,271 × 31,271
  4. Step 4: Simplify right side
    20,846x = 977,875,441
  5. Step 5: Solve for x
    x = 977,875,441/20,846
  6. Step 6: Final answer
    x = 46,909.50

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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.