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Finding the Third Proportional to 86,880.09 and 134,310.66

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Solution

The third proportional to 86,880.09 and 134,310.66 is: 207,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,880.09 : 134,310.66 = 134,310.66 : x
  2. Step 2: Convert to fraction form
    86,880.09/134,310.66 = 134,310.66/x
  3. Step 3: Cross multiply
    86,880.09x = 134,310.66 × 134,310.66
  4. Step 4: Simplify right side
    86,880.09x = 18,039,352,382.31
  5. Step 5: Solve for x
    x = 18,039,352,382.31/86,880.09
  6. Step 6: Final answer
    x = 207,635.05

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.