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Finding the Third Proportional to 87,116 and 127,310

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Solution

The third proportional to 87,116 and 127,310 is: 186,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,116 : 127,310 = 127,310 : x
  2. Step 2: Convert to fraction form
    87,116/127,310 = 127,310/x
  3. Step 3: Cross multiply
    87,116x = 127,310 × 127,310
  4. Step 4: Simplify right side
    87,116x = 16,207,836,100
  5. Step 5: Solve for x
    x = 16,207,836,100/87,116
  6. Step 6: Final answer
    x = 186,048.90

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.