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Finding the Third Proportional to 112,730 and 168,743

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Solution

The third proportional to 112,730 and 168,743 is: 252,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,730 : 168,743 = 168,743 : x
  2. Step 2: Convert to fraction form
    112,730/168,743 = 168,743/x
  3. Step 3: Cross multiply
    112,730x = 168,743 × 168,743
  4. Step 4: Simplify right side
    112,730x = 28,474,200,049
  5. Step 5: Solve for x
    x = 28,474,200,049/112,730
  6. Step 6: Final answer
    x = 252,587.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.