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Finding the Third Proportional to 51,082 and 77,704

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Solution

The third proportional to 51,082 and 77,704 is: 118,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,082 : 77,704 = 77,704 : x
  2. Step 2: Convert to fraction form
    51,082/77,704 = 77,704/x
  3. Step 3: Cross multiply
    51,082x = 77,704 × 77,704
  4. Step 4: Simplify right side
    51,082x = 6,037,911,616
  5. Step 5: Solve for x
    x = 6,037,911,616/51,082
  6. Step 6: Final answer
    x = 118,200.38

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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.