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Finding the Third Proportional to 85,477 and 125,440

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Solution

The third proportional to 85,477 and 125,440 is: 184,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,477 : 125,440 = 125,440 : x
  2. Step 2: Convert to fraction form
    85,477/125,440 = 125,440/x
  3. Step 3: Cross multiply
    85,477x = 125,440 × 125,440
  4. Step 4: Simplify right side
    85,477x = 15,735,193,600
  5. Step 5: Solve for x
    x = 15,735,193,600/85,477
  6. Step 6: Final answer
    x = 184,086.87

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.