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Finding the Third Proportional to 208,525,630 and 449,344,772

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Solution

The third proportional to 208,525,630 and 449,344,772 is: 968,277,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,525,630 : 449,344,772 = 449,344,772 : x
  2. Step 2: Convert to fraction form
    208,525,630/449,344,772 = 449,344,772/x
  3. Step 3: Cross multiply
    208,525,630x = 449,344,772 × 449,344,772
  4. Step 4: Simplify right side
    208,525,630x = 201,910,724,123,731,968
  5. Step 5: Solve for x
    x = 201,910,724,123,731,968/208,525,630
  6. Step 6: Final answer
    x = 968,277,732.21

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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.