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Finding the Third Proportional to 3,543.75 and 7,516.13

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Solution

The third proportional to 3,543.75 and 7,516.13 is: 15,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.75 : 7,516.13 = 7,516.13 : x
  2. Step 2: Convert to fraction form
    3,543.75/7,516.13 = 7,516.13/x
  3. Step 3: Cross multiply
    3,543.75x = 7,516.13 × 7,516.13
  4. Step 4: Simplify right side
    3,543.75x = 56,492,135.02
  5. Step 5: Solve for x
    x = 56,492,135.02/3,543.75
  6. Step 6: Final answer
    x = 15,941.34

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.