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Finding the Third Proportional to 579,889.13 and 852,455.39

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Solution

The third proportional to 579,889.13 and 852,455.39 is: 1,253,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,889.13 : 852,455.39 = 852,455.39 : x
  2. Step 2: Convert to fraction form
    579,889.13/852,455.39 = 852,455.39/x
  3. Step 3: Cross multiply
    579,889.13x = 852,455.39 × 852,455.39
  4. Step 4: Simplify right side
    579,889.13x = 726,680,193,005.62
  5. Step 5: Solve for x
    x = 726,680,193,005.62/579,889.13
  6. Step 6: Final answer
    x = 1,253,136.44

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.