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Finding the Third Proportional to 79,600 and 118,288

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Solution

The third proportional to 79,600 and 118,288 is: 175,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,600 : 118,288 = 118,288 : x
  2. Step 2: Convert to fraction form
    79,600/118,288 = 118,288/x
  3. Step 3: Cross multiply
    79,600x = 118,288 × 118,288
  4. Step 4: Simplify right side
    79,600x = 13,992,050,944
  5. Step 5: Solve for x
    x = 13,992,050,944/79,600
  6. Step 6: Final answer
    x = 175,779.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.