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Finding the Third Proportional to 349,643.25 and 772,800.75

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Solution

The third proportional to 349,643.25 and 772,800.75 is: 1,708,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,643.25 : 772,800.75 = 772,800.75 : x
  2. Step 2: Convert to fraction form
    349,643.25/772,800.75 = 772,800.75/x
  3. Step 3: Cross multiply
    349,643.25x = 772,800.75 × 772,800.75
  4. Step 4: Simplify right side
    349,643.25x = 597,220,999,200.56
  5. Step 5: Solve for x
    x = 597,220,999,200.56/349,643.25
  6. Step 6: Final answer
    x = 1,708,086.74

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.