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Finding the Third Proportional to 386,872.03 and 852,476.06

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Solution

The third proportional to 386,872.03 and 852,476.06 is: 1,878,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,872.03 : 852,476.06 = 852,476.06 : x
  2. Step 2: Convert to fraction form
    386,872.03/852,476.06 = 852,476.06/x
  3. Step 3: Cross multiply
    386,872.03x = 852,476.06 × 852,476.06
  4. Step 4: Simplify right side
    386,872.03x = 726,715,437,135.50
  5. Step 5: Solve for x
    x = 726,715,437,135.50/386,872.03
  6. Step 6: Final answer
    x = 1,878,438.81

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.