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Finding the Third Proportional to 890,078.63 and 1,961,678.25

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Solution

The third proportional to 890,078.63 and 1,961,678.25 is: 4,323,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,078.63 : 1,961,678.25 = 1,961,678.25 : x
  2. Step 2: Convert to fraction form
    890,078.63/1,961,678.25 = 1,961,678.25/x
  3. Step 3: Cross multiply
    890,078.63x = 1,961,678.25 × 1,961,678.25
  4. Step 4: Simplify right side
    890,078.63x = 3,848,181,556,523.06
  5. Step 5: Solve for x
    x = 3,848,181,556,523.06/890,078.63
  6. Step 6: Final answer
    x = 4,323,417.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.