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Finding the Third Proportional to 809,426.25 and 1,169,381.25

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Solution

The third proportional to 809,426.25 and 1,169,381.25 is: 1,689,409.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,426.25 : 1,169,381.25 = 1,169,381.25 : x
  2. Step 2: Convert to fraction form
    809,426.25/1,169,381.25 = 1,169,381.25/x
  3. Step 3: Cross multiply
    809,426.25x = 1,169,381.25 × 1,169,381.25
  4. Step 4: Simplify right side
    809,426.25x = 1,367,452,507,851.56
  5. Step 5: Solve for x
    x = 1,367,452,507,851.56/809,426.25
  6. Step 6: Final answer
    x = 1,689,409.64

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.