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Finding the Third Proportional to 72,084 and 110,860

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Solution

The third proportional to 72,084 and 110,860 is: 170,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,084 : 110,860 = 110,860 : x
  2. Step 2: Convert to fraction form
    72,084/110,860 = 110,860/x
  3. Step 3: Cross multiply
    72,084x = 110,860 × 110,860
  4. Step 4: Simplify right side
    72,084x = 12,289,939,600
  5. Step 5: Solve for x
    x = 12,289,939,600/72,084
  6. Step 6: Final answer
    x = 170,494.70

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.