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Finding the Third Proportional to 60,719.63 and 128,341.97

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Solution

The third proportional to 60,719.63 and 128,341.97 is: 271,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,719.63 : 128,341.97 = 128,341.97 : x
  2. Step 2: Convert to fraction form
    60,719.63/128,341.97 = 128,341.97/x
  3. Step 3: Cross multiply
    60,719.63x = 128,341.97 × 128,341.97
  4. Step 4: Simplify right side
    60,719.63x = 16,471,660,942.63
  5. Step 5: Solve for x
    x = 16,471,660,942.63/60,719.63
  6. Step 6: Final answer
    x = 271,274.09

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.