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Finding the Third Proportional to 0.84 and 8.86

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Solution

The third proportional to 0.84 and 8.86 is: 93.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.84 : 8.86 = 8.86 : x
  2. Step 2: Convert to fraction form
    0.84/8.86 = 8.86/x
  3. Step 3: Cross multiply
    0.84x = 8.86 × 8.86
  4. Step 4: Simplify right side
    0.84x = 78.49
  5. Step 5: Solve for x
    x = 78.49/0.84
  6. Step 6: Final answer
    x = 93.02

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Why These Related Problems?

These problems maintain the same ratio (10.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.