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Finding the Third Proportional to 420,914.25 and 925,903.13

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Solution

The third proportional to 420,914.25 and 925,903.13 is: 2,036,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,914.25 : 925,903.13 = 925,903.13 : x
  2. Step 2: Convert to fraction form
    420,914.25/925,903.13 = 925,903.13/x
  3. Step 3: Cross multiply
    420,914.25x = 925,903.13 × 925,903.13
  4. Step 4: Simplify right side
    420,914.25x = 857,296,596,884.77
  5. Step 5: Solve for x
    x = 857,296,596,884.77/420,914.25
  6. Step 6: Final answer
    x = 2,036,748.81

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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.