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Finding the Third Proportional to 86,278.50 and 183,735

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Solution

The third proportional to 86,278.50 and 183,735 is: 391,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,278.50 : 183,735 = 183,735 : x
  2. Step 2: Convert to fraction form
    86,278.50/183,735 = 183,735/x
  3. Step 3: Cross multiply
    86,278.50x = 183,735 × 183,735
  4. Step 4: Simplify right side
    86,278.50x = 33,758,550,225
  5. Step 5: Solve for x
    x = 33,758,550,225/86,278.50
  6. Step 6: Final answer
    x = 391,274.19

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.