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Finding the Third Proportional to 889,326 and 1,977,631.88

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Solution

The third proportional to 889,326 and 1,977,631.88 is: 4,397,743.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,326 : 1,977,631.88 = 1,977,631.88 : x
  2. Step 2: Convert to fraction form
    889,326/1,977,631.88 = 1,977,631.88/x
  3. Step 3: Cross multiply
    889,326x = 1,977,631.88 × 1,977,631.88
  4. Step 4: Simplify right side
    889,326x = 3,911,027,833,016.02
  5. Step 5: Solve for x
    x = 3,911,027,833,016.02/889,326
  6. Step 6: Final answer
    x = 4,397,743.72

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.