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Finding the Third Proportional to 2,873.29 and 6,156.63

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Solution

The third proportional to 2,873.29 and 6,156.63 is: 13,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.29 : 6,156.63 = 6,156.63 : x
  2. Step 2: Convert to fraction form
    2,873.29/6,156.63 = 6,156.63/x
  3. Step 3: Cross multiply
    2,873.29x = 6,156.63 × 6,156.63
  4. Step 4: Simplify right side
    2,873.29x = 37,904,127.59
  5. Step 5: Solve for x
    x = 37,904,127.59/2,873.29
  6. Step 6: Final answer
    x = 13,191.91

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.