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Finding the Third Proportional to 417,169.50 and 646,250.25

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Solution

The third proportional to 417,169.50 and 646,250.25 is: 1,001,126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,169.50 : 646,250.25 = 646,250.25 : x
  2. Step 2: Convert to fraction form
    417,169.50/646,250.25 = 646,250.25/x
  3. Step 3: Cross multiply
    417,169.50x = 646,250.25 × 646,250.25
  4. Step 4: Simplify right side
    417,169.50x = 417,639,385,625.06
  5. Step 5: Solve for x
    x = 417,639,385,625.06/417,169.50
  6. Step 6: Final answer
    x = 1,001,126.37

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.