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Finding the Third Proportional to 112,512 and 243,708

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Solution

The third proportional to 112,512 and 243,708 is: 527,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,512 : 243,708 = 243,708 : x
  2. Step 2: Convert to fraction form
    112,512/243,708 = 243,708/x
  3. Step 3: Cross multiply
    112,512x = 243,708 × 243,708
  4. Step 4: Simplify right side
    112,512x = 59,393,589,264
  5. Step 5: Solve for x
    x = 59,393,589,264/112,512
  6. Step 6: Final answer
    x = 527,886.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.