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Finding the Third Proportional to 118,616 and 156,783

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Solution

The third proportional to 118,616 and 156,783 is: 207,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,616 : 156,783 = 156,783 : x
  2. Step 2: Convert to fraction form
    118,616/156,783 = 156,783/x
  3. Step 3: Cross multiply
    118,616x = 156,783 × 156,783
  4. Step 4: Simplify right side
    118,616x = 24,580,909,089
  5. Step 5: Solve for x
    x = 24,580,909,089/118,616
  6. Step 6: Final answer
    x = 207,230.97

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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.