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Finding the Third Proportional to 208,636.88 and 450,534.38

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Solution

The third proportional to 208,636.88 and 450,534.38 is: 972,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,636.88 : 450,534.38 = 450,534.38 : x
  2. Step 2: Convert to fraction form
    208,636.88/450,534.38 = 450,534.38/x
  3. Step 3: Cross multiply
    208,636.88x = 450,534.38 × 450,534.38
  4. Step 4: Simplify right side
    208,636.88x = 202,981,223,056.64
  5. Step 5: Solve for x
    x = 202,981,223,056.64/208,636.88
  6. Step 6: Final answer
    x = 972,892.37

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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.