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Finding the Third Proportional to 207,796 and 447,370

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Solution

The third proportional to 207,796 and 447,370 is: 963,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,796 : 447,370 = 447,370 : x
  2. Step 2: Convert to fraction form
    207,796/447,370 = 447,370/x
  3. Step 3: Cross multiply
    207,796x = 447,370 × 447,370
  4. Step 4: Simplify right side
    207,796x = 200,139,916,900
  5. Step 5: Solve for x
    x = 200,139,916,900/207,796
  6. Step 6: Final answer
    x = 963,155.77

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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.