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Finding the Third Proportional to 80,492 and 122,076

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Solution

The third proportional to 80,492 and 122,076 is: 185,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,492 : 122,076 = 122,076 : x
  2. Step 2: Convert to fraction form
    80,492/122,076 = 122,076/x
  3. Step 3: Cross multiply
    80,492x = 122,076 × 122,076
  4. Step 4: Simplify right side
    80,492x = 14,902,549,776
  5. Step 5: Solve for x
    x = 14,902,549,776/80,492
  6. Step 6: Final answer
    x = 185,143.24

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.