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Finding the Third Proportional to 52,239.38 and 78,477.75

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Solution

The third proportional to 52,239.38 and 78,477.75 is: 117,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,239.38 : 78,477.75 = 78,477.75 : x
  2. Step 2: Convert to fraction form
    52,239.38/78,477.75 = 78,477.75/x
  3. Step 3: Cross multiply
    52,239.38x = 78,477.75 × 78,477.75
  4. Step 4: Simplify right side
    52,239.38x = 6,158,757,245.06
  5. Step 5: Solve for x
    x = 6,158,757,245.06/52,239.38
  6. Step 6: Final answer
    x = 117,894.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.