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Finding the Third Proportional to 428,967.38 and 932,643.75

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Solution

The third proportional to 428,967.38 and 932,643.75 is: 2,027,716.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,967.38 : 932,643.75 = 932,643.75 : x
  2. Step 2: Convert to fraction form
    428,967.38/932,643.75 = 932,643.75/x
  3. Step 3: Cross multiply
    428,967.38x = 932,643.75 × 932,643.75
  4. Step 4: Simplify right side
    428,967.38x = 869,824,364,414.06
  5. Step 5: Solve for x
    x = 869,824,364,414.06/428,967.38
  6. Step 6: Final answer
    x = 2,027,716.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.