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Finding the Third Proportional to 825,642.38 and 1,707,921.75

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Solution

The third proportional to 825,642.38 and 1,707,921.75 is: 3,533,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,642.38 : 1,707,921.75 = 1,707,921.75 : x
  2. Step 2: Convert to fraction form
    825,642.38/1,707,921.75 = 1,707,921.75/x
  3. Step 3: Cross multiply
    825,642.38x = 1,707,921.75 × 1,707,921.75
  4. Step 4: Simplify right side
    825,642.38x = 2,916,996,704,123.06
  5. Step 5: Solve for x
    x = 2,916,996,704,123.06/825,642.38
  6. Step 6: Final answer
    x = 3,533,002.66

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.