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Finding the Third Proportional to 423,625.50 and 931,209.75

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Solution

The third proportional to 423,625.50 and 931,209.75 is: 2,046,976.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,625.50 : 931,209.75 = 931,209.75 : x
  2. Step 2: Convert to fraction form
    423,625.50/931,209.75 = 931,209.75/x
  3. Step 3: Cross multiply
    423,625.50x = 931,209.75 × 931,209.75
  4. Step 4: Simplify right side
    423,625.50x = 867,151,598,495.06
  5. Step 5: Solve for x
    x = 867,151,598,495.06/423,625.50
  6. Step 6: Final answer
    x = 2,046,976.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.