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Finding the Third Proportional to 265.69 and 354.94

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Solution

The third proportional to 265.69 and 354.94 is: 474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.69 : 354.94 = 354.94 : x
  2. Step 2: Convert to fraction form
    265.69/354.94 = 354.94/x
  3. Step 3: Cross multiply
    265.69x = 354.94 × 354.94
  4. Step 4: Simplify right side
    265.69x = 125,980.63
  5. Step 5: Solve for x
    x = 125,980.63/265.69
  6. Step 6: Final answer
    x = 474.17

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.