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Finding the Third Proportional to 10,303.50 and 18,622.50

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Solution

The third proportional to 10,303.50 and 18,622.50 is: 33,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.50 : 18,622.50 = 18,622.50 : x
  2. Step 2: Convert to fraction form
    10,303.50/18,622.50 = 18,622.50/x
  3. Step 3: Cross multiply
    10,303.50x = 18,622.50 × 18,622.50
  4. Step 4: Simplify right side
    10,303.50x = 346,797,506.25
  5. Step 5: Solve for x
    x = 346,797,506.25/10,303.50
  6. Step 6: Final answer
    x = 33,658.22

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.