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Finding the Third Proportional to 6,881.63 and 7,503.75

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Solution

The third proportional to 6,881.63 and 7,503.75 is: 8,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.63 : 7,503.75 = 7,503.75 : x
  2. Step 2: Convert to fraction form
    6,881.63/7,503.75 = 7,503.75/x
  3. Step 3: Cross multiply
    6,881.63x = 7,503.75 × 7,503.75
  4. Step 4: Simplify right side
    6,881.63x = 56,306,264.06
  5. Step 5: Solve for x
    x = 56,306,264.06/6,881.63
  6. Step 6: Final answer
    x = 8,182.12

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.