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Finding the Third Proportional to 79,066 and 122,294

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Solution

The third proportional to 79,066 and 122,294 is: 189,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,066 : 122,294 = 122,294 : x
  2. Step 2: Convert to fraction form
    79,066/122,294 = 122,294/x
  3. Step 3: Cross multiply
    79,066x = 122,294 × 122,294
  4. Step 4: Simplify right side
    79,066x = 14,955,822,436
  5. Step 5: Solve for x
    x = 14,955,822,436/79,066
  6. Step 6: Final answer
    x = 189,156.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.