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Finding the Third Proportional to 100,467 and 156,772.50

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Solution

The third proportional to 100,467 and 156,772.50 is: 244,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,467 : 156,772.50 = 156,772.50 : x
  2. Step 2: Convert to fraction form
    100,467/156,772.50 = 156,772.50/x
  3. Step 3: Cross multiply
    100,467x = 156,772.50 × 156,772.50
  4. Step 4: Simplify right side
    100,467x = 24,577,616,756.25
  5. Step 5: Solve for x
    x = 24,577,616,756.25/100,467
  6. Step 6: Final answer
    x = 244,633.73

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.