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Finding the Third Proportional to 74,925 and 156,735

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Solution

The third proportional to 74,925 and 156,735 is: 327,872.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,925 : 156,735 = 156,735 : x
  2. Step 2: Convert to fraction form
    74,925/156,735 = 156,735/x
  3. Step 3: Cross multiply
    74,925x = 156,735 × 156,735
  4. Step 4: Simplify right side
    74,925x = 24,565,860,225
  5. Step 5: Solve for x
    x = 24,565,860,225/74,925
  6. Step 6: Final answer
    x = 327,872.68

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.