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Finding the Third Proportional to 536.63 and 855.28

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Solution

The third proportional to 536.63 and 855.28 is: 1,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.63 : 855.28 = 855.28 : x
  2. Step 2: Convert to fraction form
    536.63/855.28 = 855.28/x
  3. Step 3: Cross multiply
    536.63x = 855.28 × 855.28
  4. Step 4: Simplify right side
    536.63x = 731,506.02
  5. Step 5: Solve for x
    x = 731,506.02/536.63
  6. Step 6: Final answer
    x = 1,363.16

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.