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Finding the Third Proportional to 358.50 and 907.50

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Solution

The third proportional to 358.50 and 907.50 is: 2,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.50 : 907.50 = 907.50 : x
  2. Step 2: Convert to fraction form
    358.50/907.50 = 907.50/x
  3. Step 3: Cross multiply
    358.50x = 907.50 × 907.50
  4. Step 4: Simplify right side
    358.50x = 823,556.25
  5. Step 5: Solve for x
    x = 823,556.25/358.50
  6. Step 6: Final answer
    x = 2,297.23

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Why These Related Problems?

These problems maintain the same ratio (2.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.