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Finding the Third Proportional to 77,807 and 110,104

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Solution

The third proportional to 77,807 and 110,104 is: 155,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,807 : 110,104 = 110,104 : x
  2. Step 2: Convert to fraction form
    77,807/110,104 = 110,104/x
  3. Step 3: Cross multiply
    77,807x = 110,104 × 110,104
  4. Step 4: Simplify right side
    77,807x = 12,122,890,816
  5. Step 5: Solve for x
    x = 12,122,890,816/77,807
  6. Step 6: Final answer
    x = 155,807.20

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.