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Finding the Third Proportional to 115,206 and 168,705

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Solution

The third proportional to 115,206 and 168,705 is: 247,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,206 : 168,705 = 168,705 : x
  2. Step 2: Convert to fraction form
    115,206/168,705 = 168,705/x
  3. Step 3: Cross multiply
    115,206x = 168,705 × 168,705
  4. Step 4: Simplify right side
    115,206x = 28,461,377,025
  5. Step 5: Solve for x
    x = 28,461,377,025/115,206
  6. Step 6: Final answer
    x = 247,047.70

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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.