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Finding the Third Proportional to 173 and 368.88

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Solution

The third proportional to 173 and 368.88 is: 786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173 : 368.88 = 368.88 : x
  2. Step 2: Convert to fraction form
    173/368.88 = 368.88/x
  3. Step 3: Cross multiply
    173x = 368.88 × 368.88
  4. Step 4: Simplify right side
    173x = 136,068.77
  5. Step 5: Solve for x
    x = 136,068.77/173
  6. Step 6: Final answer
    x = 786.52

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.