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Finding the Third Proportional to 282,403.13 and 395,901

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Solution

The third proportional to 282,403.13 and 395,901 is: 555,013.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,403.13 : 395,901 = 395,901 : x
  2. Step 2: Convert to fraction form
    282,403.13/395,901 = 395,901/x
  3. Step 3: Cross multiply
    282,403.13x = 395,901 × 395,901
  4. Step 4: Simplify right side
    282,403.13x = 156,737,601,801
  5. Step 5: Solve for x
    x = 156,737,601,801/282,403.13
  6. Step 6: Final answer
    x = 555,013.69

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.