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Finding the Third Proportional to 5,135.06 and 7,929.56

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Solution

The third proportional to 5,135.06 and 7,929.56 is: 12,244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.06 : 7,929.56 = 7,929.56 : x
  2. Step 2: Convert to fraction form
    5,135.06/7,929.56 = 7,929.56/x
  3. Step 3: Cross multiply
    5,135.06x = 7,929.56 × 7,929.56
  4. Step 4: Simplify right side
    5,135.06x = 62,877,961.44
  5. Step 5: Solve for x
    x = 62,877,961.44/5,135.06
  6. Step 6: Final answer
    x = 12,244.83

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.