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Finding the Third Proportional to 208,460.25 and 449,320.50

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Solution

The third proportional to 208,460.25 and 449,320.50 is: 968,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,460.25 : 449,320.50 = 449,320.50 : x
  2. Step 2: Convert to fraction form
    208,460.25/449,320.50 = 449,320.50/x
  3. Step 3: Cross multiply
    208,460.25x = 449,320.50 × 449,320.50
  4. Step 4: Simplify right side
    208,460.25x = 201,888,911,720.25
  5. Step 5: Solve for x
    x = 201,888,911,720.25/208,460.25
  6. Step 6: Final answer
    x = 968,476.78

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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.