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Finding the Third Proportional to 207,918 and 449,073

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Solution

The third proportional to 207,918 and 449,073 is: 969,933.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,918 : 449,073 = 449,073 : x
  2. Step 2: Convert to fraction form
    207,918/449,073 = 449,073/x
  3. Step 3: Cross multiply
    207,918x = 449,073 × 449,073
  4. Step 4: Simplify right side
    207,918x = 201,666,559,329
  5. Step 5: Solve for x
    x = 201,666,559,329/207,918
  6. Step 6: Final answer
    x = 969,933.14

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.