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Finding the Third Proportional to 5,403.38 and 8,348.63

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Solution

The third proportional to 5,403.38 and 8,348.63 is: 12,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.38 : 8,348.63 = 8,348.63 : x
  2. Step 2: Convert to fraction form
    5,403.38/8,348.63 = 8,348.63/x
  3. Step 3: Cross multiply
    5,403.38x = 8,348.63 × 8,348.63
  4. Step 4: Simplify right side
    5,403.38x = 69,699,539.39
  5. Step 5: Solve for x
    x = 69,699,539.39/5,403.38
  6. Step 6: Final answer
    x = 12,899.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.