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Finding the Third Proportional to 200,567 and 417,946

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Solution

The third proportional to 200,567 and 417,946 is: 870,925.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,567 : 417,946 = 417,946 : x
  2. Step 2: Convert to fraction form
    200,567/417,946 = 417,946/x
  3. Step 3: Cross multiply
    200,567x = 417,946 × 417,946
  4. Step 4: Simplify right side
    200,567x = 174,678,858,916
  5. Step 5: Solve for x
    x = 174,678,858,916/200,567
  6. Step 6: Final answer
    x = 870,925.22

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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.