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Finding the Third Proportional to 118,446 and 156,501

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Solution

The third proportional to 118,446 and 156,501 is: 206,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,446 : 156,501 = 156,501 : x
  2. Step 2: Convert to fraction form
    118,446/156,501 = 156,501/x
  3. Step 3: Cross multiply
    118,446x = 156,501 × 156,501
  4. Step 4: Simplify right side
    118,446x = 24,492,563,001
  5. Step 5: Solve for x
    x = 24,492,563,001/118,446
  6. Step 6: Final answer
    x = 206,782.53

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.