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Finding the Third Proportional to 8,380.13 and 8,984.25

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Solution

The third proportional to 8,380.13 and 8,984.25 is: 9,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.13 : 8,984.25 = 8,984.25 : x
  2. Step 2: Convert to fraction form
    8,380.13/8,984.25 = 8,984.25/x
  3. Step 3: Cross multiply
    8,380.13x = 8,984.25 × 8,984.25
  4. Step 4: Simplify right side
    8,380.13x = 80,716,748.06
  5. Step 5: Solve for x
    x = 80,716,748.06/8,380.13
  6. Step 6: Final answer
    x = 9,631.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.