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Finding the Third Proportional to 1,223.23 and 2,636.93

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Solution

The third proportional to 1,223.23 and 2,636.93 is: 5,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.23 : 2,636.93 = 2,636.93 : x
  2. Step 2: Convert to fraction form
    1,223.23/2,636.93 = 2,636.93/x
  3. Step 3: Cross multiply
    1,223.23x = 2,636.93 × 2,636.93
  4. Step 4: Simplify right side
    1,223.23x = 6,953,398.18
  5. Step 5: Solve for x
    x = 6,953,398.18/1,223.23
  6. Step 6: Final answer
    x = 5,684.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.