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Finding the Third Proportional to 5,125.78 and 6,730.59

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Solution

The third proportional to 5,125.78 and 6,730.59 is: 8,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.78 : 6,730.59 = 6,730.59 : x
  2. Step 2: Convert to fraction form
    5,125.78/6,730.59 = 6,730.59/x
  3. Step 3: Cross multiply
    5,125.78x = 6,730.59 × 6,730.59
  4. Step 4: Simplify right side
    5,125.78x = 45,300,892.23
  5. Step 5: Solve for x
    x = 45,300,892.23/5,125.78
  6. Step 6: Final answer
    x = 8,837.85

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.