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Finding the Third Proportional to 79,594 and 120,415

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Solution

The third proportional to 79,594 and 120,415 is: 182,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,594 : 120,415 = 120,415 : x
  2. Step 2: Convert to fraction form
    79,594/120,415 = 120,415/x
  3. Step 3: Cross multiply
    79,594x = 120,415 × 120,415
  4. Step 4: Simplify right side
    79,594x = 14,499,772,225
  5. Step 5: Solve for x
    x = 14,499,772,225/79,594
  6. Step 6: Final answer
    x = 182,171.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.