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Finding the Third Proportional to 208,639.50 and 450,538.50

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Solution

The third proportional to 208,639.50 and 450,538.50 is: 972,897.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,639.50 : 450,538.50 = 450,538.50 : x
  2. Step 2: Convert to fraction form
    208,639.50/450,538.50 = 450,538.50/x
  3. Step 3: Cross multiply
    208,639.50x = 450,538.50 × 450,538.50
  4. Step 4: Simplify right side
    208,639.50x = 202,984,939,982.25
  5. Step 5: Solve for x
    x = 202,984,939,982.25/208,639.50
  6. Step 6: Final answer
    x = 972,897.94

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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.