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Finding the Third Proportional to 208,645 and 450,549

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Solution

The third proportional to 208,645 and 450,549 is: 972,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,645 : 450,549 = 450,549 : x
  2. Step 2: Convert to fraction form
    208,645/450,549 = 450,549/x
  3. Step 3: Cross multiply
    208,645x = 450,549 × 450,549
  4. Step 4: Simplify right side
    208,645x = 202,994,401,401
  5. Step 5: Solve for x
    x = 202,994,401,401/208,645
  6. Step 6: Final answer
    x = 972,917.64

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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.