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Finding the Third Proportional to 55,670 and 98,115

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Solution

The third proportional to 55,670 and 98,115 is: 172,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,670 : 98,115 = 98,115 : x
  2. Step 2: Convert to fraction form
    55,670/98,115 = 98,115/x
  3. Step 3: Cross multiply
    55,670x = 98,115 × 98,115
  4. Step 4: Simplify right side
    55,670x = 9,626,553,225
  5. Step 5: Solve for x
    x = 9,626,553,225/55,670
  6. Step 6: Final answer
    x = 172,921.74

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.