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Finding the Third Proportional to 1,779,517.50 and 2,757,741.75

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Solution

The third proportional to 1,779,517.50 and 2,757,741.75 is: 4,273,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,517.50 : 2,757,741.75 = 2,757,741.75 : x
  2. Step 2: Convert to fraction form
    1,779,517.50/2,757,741.75 = 2,757,741.75/x
  3. Step 3: Cross multiply
    1,779,517.50x = 2,757,741.75 × 2,757,741.75
  4. Step 4: Simplify right side
    1,779,517.50x = 7,605,139,559,693.06
  5. Step 5: Solve for x
    x = 7,605,139,559,693.06/1,779,517.50
  6. Step 6: Final answer
    x = 4,273,708.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.