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Finding the Third Proportional to 27,222 and 57,402

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Solution

The third proportional to 27,222 and 57,402 is: 121,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,222 : 57,402 = 57,402 : x
  2. Step 2: Convert to fraction form
    27,222/57,402 = 57,402/x
  3. Step 3: Cross multiply
    27,222x = 57,402 × 57,402
  4. Step 4: Simplify right side
    27,222x = 3,294,989,604
  5. Step 5: Solve for x
    x = 3,294,989,604/27,222
  6. Step 6: Final answer
    x = 121,041.42

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.