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Finding the Third Proportional to 536.63 and 809.16

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Solution

The third proportional to 536.63 and 809.16 is: 1,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.63 : 809.16 = 809.16 : x
  2. Step 2: Convert to fraction form
    536.63/809.16 = 809.16/x
  3. Step 3: Cross multiply
    536.63x = 809.16 × 809.16
  4. Step 4: Simplify right side
    536.63x = 654,733.84
  5. Step 5: Solve for x
    x = 654,733.84/536.63
  6. Step 6: Final answer
    x = 1,220.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.