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Finding the Third Proportional to 9,521.44 and 20,631.94

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Solution

The third proportional to 9,521.44 and 20,631.94 is: 44,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.44 : 20,631.94 = 20,631.94 : x
  2. Step 2: Convert to fraction form
    9,521.44/20,631.94 = 20,631.94/x
  3. Step 3: Cross multiply
    9,521.44x = 20,631.94 × 20,631.94
  4. Step 4: Simplify right side
    9,521.44x = 425,676,845.00
  5. Step 5: Solve for x
    x = 425,676,845.00/9,521.44
  6. Step 6: Final answer
    x = 44,707.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.