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Finding the Third Proportional to 104,495 and 156,742

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Solution

The third proportional to 104,495 and 156,742 is: 235,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,495 : 156,742 = 156,742 : x
  2. Step 2: Convert to fraction form
    104,495/156,742 = 156,742/x
  3. Step 3: Cross multiply
    104,495x = 156,742 × 156,742
  4. Step 4: Simplify right side
    104,495x = 24,568,054,564
  5. Step 5: Solve for x
    x = 24,568,054,564/104,495
  6. Step 6: Final answer
    x = 235,112.25

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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.