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Finding the Third Proportional to 104,503 and 156,511

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Solution

The third proportional to 104,503 and 156,511 is: 234,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,503 : 156,511 = 156,511 : x
  2. Step 2: Convert to fraction form
    104,503/156,511 = 156,511/x
  3. Step 3: Cross multiply
    104,503x = 156,511 × 156,511
  4. Step 4: Simplify right side
    104,503x = 24,495,693,121
  5. Step 5: Solve for x
    x = 24,495,693,121/104,503
  6. Step 6: Final answer
    x = 234,401.82

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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.