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Finding the Third Proportional to 208,109.25 and 449,347.50

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Solution

The third proportional to 208,109.25 and 449,347.50 is: 970,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,109.25 : 449,347.50 = 449,347.50 : x
  2. Step 2: Convert to fraction form
    208,109.25/449,347.50 = 449,347.50/x
  3. Step 3: Cross multiply
    208,109.25x = 449,347.50 × 449,347.50
  4. Step 4: Simplify right side
    208,109.25x = 201,913,175,756.25
  5. Step 5: Solve for x
    x = 201,913,175,756.25/208,109.25
  6. Step 6: Final answer
    x = 970,226.82

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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.