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Finding the Third Proportional to 5,135.44 and 7,338.66

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Solution

The third proportional to 5,135.44 and 7,338.66 is: 10,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.44 : 7,338.66 = 7,338.66 : x
  2. Step 2: Convert to fraction form
    5,135.44/7,338.66 = 7,338.66/x
  3. Step 3: Cross multiply
    5,135.44x = 7,338.66 × 7,338.66
  4. Step 4: Simplify right side
    5,135.44x = 53,855,875.56
  5. Step 5: Solve for x
    x = 53,855,875.56/5,135.44
  6. Step 6: Final answer
    x = 10,487.11

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.