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Finding the Third Proportional to 60,639.89 and 131,880.66

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Solution

The third proportional to 60,639.89 and 131,880.66 is: 286,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,639.89 : 131,880.66 = 131,880.66 : x
  2. Step 2: Convert to fraction form
    60,639.89/131,880.66 = 131,880.66/x
  3. Step 3: Cross multiply
    60,639.89x = 131,880.66 × 131,880.66
  4. Step 4: Simplify right side
    60,639.89x = 17,392,507,492.93
  5. Step 5: Solve for x
    x = 17,392,507,492.93/60,639.89
  6. Step 6: Final answer
    x = 286,816.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.