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Finding the Third Proportional to 112,168 and 239,312

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Solution

The third proportional to 112,168 and 239,312 is: 510,575.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,168 : 239,312 = 239,312 : x
  2. Step 2: Convert to fraction form
    112,168/239,312 = 239,312/x
  3. Step 3: Cross multiply
    112,168x = 239,312 × 239,312
  4. Step 4: Simplify right side
    112,168x = 57,270,233,344
  5. Step 5: Solve for x
    x = 57,270,233,344/112,168
  6. Step 6: Final answer
    x = 510,575.51

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.