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Finding the Third Proportional to 51,312 and 75,192

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Solution

The third proportional to 51,312 and 75,192 is: 110,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,312 : 75,192 = 75,192 : x
  2. Step 2: Convert to fraction form
    51,312/75,192 = 75,192/x
  3. Step 3: Cross multiply
    51,312x = 75,192 × 75,192
  4. Step 4: Simplify right side
    51,312x = 5,653,836,864
  5. Step 5: Solve for x
    x = 5,653,836,864/51,312
  6. Step 6: Final answer
    x = 110,185.47

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.