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Finding the Third Proportional to 20,364 and 29,817.50

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Solution

The third proportional to 20,364 and 29,817.50 is: 43,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364 : 29,817.50 = 29,817.50 : x
  2. Step 2: Convert to fraction form
    20,364/29,817.50 = 29,817.50/x
  3. Step 3: Cross multiply
    20,364x = 29,817.50 × 29,817.50
  4. Step 4: Simplify right side
    20,364x = 889,083,306.25
  5. Step 5: Solve for x
    x = 889,083,306.25/20,364
  6. Step 6: Final answer
    x = 43,659.56

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.