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Finding the Third Proportional to 87,405.75 and 183,627

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Solution

The third proportional to 87,405.75 and 183,627 is: 385,774.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,405.75 : 183,627 = 183,627 : x
  2. Step 2: Convert to fraction form
    87,405.75/183,627 = 183,627/x
  3. Step 3: Cross multiply
    87,405.75x = 183,627 × 183,627
  4. Step 4: Simplify right side
    87,405.75x = 33,718,875,129
  5. Step 5: Solve for x
    x = 33,718,875,129/87,405.75
  6. Step 6: Final answer
    x = 385,774.11

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.