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Finding the Third Proportional to 51,192 and 77,583

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Solution

The third proportional to 51,192 and 77,583 is: 117,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,192 : 77,583 = 77,583 : x
  2. Step 2: Convert to fraction form
    51,192/77,583 = 77,583/x
  3. Step 3: Cross multiply
    51,192x = 77,583 × 77,583
  4. Step 4: Simplify right side
    51,192x = 6,019,121,889
  5. Step 5: Solve for x
    x = 6,019,121,889/51,192
  6. Step 6: Final answer
    x = 117,579.35

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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.