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Finding the Third Proportional to 614,820.38 and 1,321,494.75

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Solution

The third proportional to 614,820.38 and 1,321,494.75 is: 2,840,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,820.38 : 1,321,494.75 = 1,321,494.75 : x
  2. Step 2: Convert to fraction form
    614,820.38/1,321,494.75 = 1,321,494.75/x
  3. Step 3: Cross multiply
    614,820.38x = 1,321,494.75 × 1,321,494.75
  4. Step 4: Simplify right side
    614,820.38x = 1,746,348,374,277.56
  5. Step 5: Solve for x
    x = 1,746,348,374,277.56/614,820.38
  6. Step 6: Final answer
    x = 2,840,420.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.