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Finding the Third Proportional to 79,079 and 93,021

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Solution

The third proportional to 79,079 and 93,021 is: 109,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,079 : 93,021 = 93,021 : x
  2. Step 2: Convert to fraction form
    79,079/93,021 = 93,021/x
  3. Step 3: Cross multiply
    79,079x = 93,021 × 93,021
  4. Step 4: Simplify right side
    79,079x = 8,652,906,441
  5. Step 5: Solve for x
    x = 8,652,906,441/79,079
  6. Step 6: Final answer
    x = 109,421.04

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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.