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Finding the Third Proportional to 88 and 168.50

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Solution

The third proportional to 88 and 168.50 is: 322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88 : 168.50 = 168.50 : x
  2. Step 2: Convert to fraction form
    88/168.50 = 168.50/x
  3. Step 3: Cross multiply
    88x = 168.50 × 168.50
  4. Step 4: Simplify right side
    88x = 28,392.25
  5. Step 5: Solve for x
    x = 28,392.25/88
  6. Step 6: Final answer
    x = 322.64

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.