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Finding the Third Proportional to 84,108 and 183,960

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Solution

The third proportional to 84,108 and 183,960 is: 402,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,108 : 183,960 = 183,960 : x
  2. Step 2: Convert to fraction form
    84,108/183,960 = 183,960/x
  3. Step 3: Cross multiply
    84,108x = 183,960 × 183,960
  4. Step 4: Simplify right side
    84,108x = 33,841,281,600
  5. Step 5: Solve for x
    x = 33,841,281,600/84,108
  6. Step 6: Final answer
    x = 402,355.09

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.