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Finding the Third Proportional to 0.88 and 8.50

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Solution

The third proportional to 0.88 and 8.50 is: 82.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.88 : 8.50 = 8.50 : x
  2. Step 2: Convert to fraction form
    0.88/8.50 = 8.50/x
  3. Step 3: Cross multiply
    0.88x = 8.50 × 8.50
  4. Step 4: Simplify right side
    0.88x = 72.25
  5. Step 5: Solve for x
    x = 72.25/0.88
  6. Step 6: Final answer
    x = 82.57

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Why These Related Problems?

These problems maintain the same ratio (9.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.