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Finding the Third Proportional to 77,758.50 and 110,007.75

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Solution

The third proportional to 77,758.50 and 110,007.75 is: 155,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,758.50 : 110,007.75 = 110,007.75 : x
  2. Step 2: Convert to fraction form
    77,758.50/110,007.75 = 110,007.75/x
  3. Step 3: Cross multiply
    77,758.50x = 110,007.75 × 110,007.75
  4. Step 4: Simplify right side
    77,758.50x = 12,101,705,060.06
  5. Step 5: Solve for x
    x = 12,101,705,060.06/77,758.50
  6. Step 6: Final answer
    x = 155,631.93

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.