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Finding the Third Proportional to 84,628 and 180,124

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Solution

The third proportional to 84,628 and 180,124 is: 383,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,628 : 180,124 = 180,124 : x
  2. Step 2: Convert to fraction form
    84,628/180,124 = 180,124/x
  3. Step 3: Cross multiply
    84,628x = 180,124 × 180,124
  4. Step 4: Simplify right side
    84,628x = 32,444,655,376
  5. Step 5: Solve for x
    x = 32,444,655,376/84,628
  6. Step 6: Final answer
    x = 383,379.68

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.