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Finding the Third Proportional to 450,744.75 and 674,686.13

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Solution

The third proportional to 450,744.75 and 674,686.13 is: 1,009,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,744.75 : 674,686.13 = 674,686.13 : x
  2. Step 2: Convert to fraction form
    450,744.75/674,686.13 = 674,686.13/x
  3. Step 3: Cross multiply
    450,744.75x = 674,686.13 × 674,686.13
  4. Step 4: Simplify right side
    450,744.75x = 455,201,367,267.52
  5. Step 5: Solve for x
    x = 455,201,367,267.52/450,744.75
  6. Step 6: Final answer
    x = 1,009,887.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.