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Finding the Third Proportional to 205 and 469.50

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Solution

The third proportional to 205 and 469.50 is: 1,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    205 : 469.50 = 469.50 : x
  2. Step 2: Convert to fraction form
    205/469.50 = 469.50/x
  3. Step 3: Cross multiply
    205x = 469.50 × 469.50
  4. Step 4: Simplify right side
    205x = 220,430.25
  5. Step 5: Solve for x
    x = 220,430.25/205
  6. Step 6: Final answer
    x = 1,075.27

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.