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Finding the Third Proportional to 450,739.50 and 674,678.25

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Solution

The third proportional to 450,739.50 and 674,678.25 is: 1,009,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,739.50 : 674,678.25 = 674,678.25 : x
  2. Step 2: Convert to fraction form
    450,739.50/674,678.25 = 674,678.25/x
  3. Step 3: Cross multiply
    450,739.50x = 674,678.25 × 674,678.25
  4. Step 4: Simplify right side
    450,739.50x = 455,190,741,023.06
  5. Step 5: Solve for x
    x = 455,190,741,023.06/450,739.50
  6. Step 6: Final answer
    x = 1,009,875.42

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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.