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Finding the Third Proportional to 245.53 and 536.63

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Solution

The third proportional to 245.53 and 536.63 is: 1,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.53 : 536.63 = 536.63 : x
  2. Step 2: Convert to fraction form
    245.53/536.63 = 536.63/x
  3. Step 3: Cross multiply
    245.53x = 536.63 × 536.63
  4. Step 4: Simplify right side
    245.53x = 287,966.39
  5. Step 5: Solve for x
    x = 287,966.39/245.53
  6. Step 6: Final answer
    x = 1,172.83

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.