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Finding the Third Proportional to 79,476 and 111,402

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Solution

The third proportional to 79,476 and 111,402 is: 156,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,476 : 111,402 = 111,402 : x
  2. Step 2: Convert to fraction form
    79,476/111,402 = 111,402/x
  3. Step 3: Cross multiply
    79,476x = 111,402 × 111,402
  4. Step 4: Simplify right side
    79,476x = 12,410,405,604
  5. Step 5: Solve for x
    x = 12,410,405,604/79,476
  6. Step 6: Final answer
    x = 156,152.87

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.