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Finding the Third Proportional to 51,860 and 80,076

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Solution

The third proportional to 51,860 and 80,076 is: 123,643.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,860 : 80,076 = 80,076 : x
  2. Step 2: Convert to fraction form
    51,860/80,076 = 80,076/x
  3. Step 3: Cross multiply
    51,860x = 80,076 × 80,076
  4. Step 4: Simplify right side
    51,860x = 6,412,165,776
  5. Step 5: Solve for x
    x = 6,412,165,776/51,860
  6. Step 6: Final answer
    x = 123,643.77

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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.