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Finding the Third Proportional to 9,220.50 and 18,819

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Solution

The third proportional to 9,220.50 and 18,819 is: 38,409.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.50 : 18,819 = 18,819 : x
  2. Step 2: Convert to fraction form
    9,220.50/18,819 = 18,819/x
  3. Step 3: Cross multiply
    9,220.50x = 18,819 × 18,819
  4. Step 4: Simplify right side
    9,220.50x = 354,154,761
  5. Step 5: Solve for x
    x = 354,154,761/9,220.50
  6. Step 6: Final answer
    x = 38,409.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.