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Finding the Third Proportional to 78,819 and 93,399

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Solution

The third proportional to 78,819 and 93,399 is: 110,676.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,819 : 93,399 = 93,399 : x
  2. Step 2: Convert to fraction form
    78,819/93,399 = 93,399/x
  3. Step 3: Cross multiply
    78,819x = 93,399 × 93,399
  4. Step 4: Simplify right side
    78,819x = 8,723,373,201
  5. Step 5: Solve for x
    x = 8,723,373,201/78,819
  6. Step 6: Final answer
    x = 110,676.02

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.