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Finding the Third Proportional to 9,720.94 and 20,823.94

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Solution

The third proportional to 9,720.94 and 20,823.94 is: 44,608.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.94 : 20,823.94 = 20,823.94 : x
  2. Step 2: Convert to fraction form
    9,720.94/20,823.94 = 20,823.94/x
  3. Step 3: Cross multiply
    9,720.94x = 20,823.94 × 20,823.94
  4. Step 4: Simplify right side
    9,720.94x = 433,636,373.00
  5. Step 5: Solve for x
    x = 433,636,373.00/9,720.94
  6. Step 6: Final answer
    x = 44,608.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.