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Finding the Third Proportional to 84,126 and 176,040

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Solution

The third proportional to 84,126 and 176,040 is: 368,376.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,126 : 176,040 = 176,040 : x
  2. Step 2: Convert to fraction form
    84,126/176,040 = 176,040/x
  3. Step 3: Cross multiply
    84,126x = 176,040 × 176,040
  4. Step 4: Simplify right side
    84,126x = 30,990,081,600
  5. Step 5: Solve for x
    x = 30,990,081,600/84,126
  6. Step 6: Final answer
    x = 368,376.98

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.