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Finding the Third Proportional to 890,779.13 and 2,078,869.69

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Solution

The third proportional to 890,779.13 and 2,078,869.69 is: 4,851,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,779.13 : 2,078,869.69 = 2,078,869.69 : x
  2. Step 2: Convert to fraction form
    890,779.13/2,078,869.69 = 2,078,869.69/x
  3. Step 3: Cross multiply
    890,779.13x = 2,078,869.69 × 2,078,869.69
  4. Step 4: Simplify right side
    890,779.13x = 4,321,699,177,606.35
  5. Step 5: Solve for x
    x = 4,321,699,177,606.35/890,779.13
  6. Step 6: Final answer
    x = 4,851,594.58

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.