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Finding the Third Proportional to 172,581 and 370,778

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Solution

The third proportional to 172,581 and 370,778 is: 796,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,581 : 370,778 = 370,778 : x
  2. Step 2: Convert to fraction form
    172,581/370,778 = 370,778/x
  3. Step 3: Cross multiply
    172,581x = 370,778 × 370,778
  4. Step 4: Simplify right side
    172,581x = 137,476,325,284
  5. Step 5: Solve for x
    x = 137,476,325,284/172,581
  6. Step 6: Final answer
    x = 796,590.15

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.