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Finding the Third Proportional to 200,673 and 417,951

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Solution

The third proportional to 200,673 and 417,951 is: 870,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,673 : 417,951 = 417,951 : x
  2. Step 2: Convert to fraction form
    200,673/417,951 = 417,951/x
  3. Step 3: Cross multiply
    200,673x = 417,951 × 417,951
  4. Step 4: Simplify right side
    200,673x = 174,683,038,401
  5. Step 5: Solve for x
    x = 174,683,038,401/200,673
  6. Step 6: Final answer
    x = 870,486.01

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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.