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Finding the Third Proportional to 200,693 and 417,995

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Solution

The third proportional to 200,693 and 417,995 is: 870,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,693 : 417,995 = 417,995 : x
  2. Step 2: Convert to fraction form
    200,693/417,995 = 417,995/x
  3. Step 3: Cross multiply
    200,693x = 417,995 × 417,995
  4. Step 4: Simplify right side
    200,693x = 174,719,820,025
  5. Step 5: Solve for x
    x = 174,719,820,025/200,693
  6. Step 6: Final answer
    x = 870,582.53

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.