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Finding the Third Proportional to 89,392.50 and 186,135.75

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Solution

The third proportional to 89,392.50 and 186,135.75 is: 387,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,392.50 : 186,135.75 = 186,135.75 : x
  2. Step 2: Convert to fraction form
    89,392.50/186,135.75 = 186,135.75/x
  3. Step 3: Cross multiply
    89,392.50x = 186,135.75 × 186,135.75
  4. Step 4: Simplify right side
    89,392.50x = 34,646,517,428.06
  5. Step 5: Solve for x
    x = 34,646,517,428.06/89,392.50
  6. Step 6: Final answer
    x = 387,577.45

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.