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Finding the Third Proportional to 1,872,428.06 and 4,034,104.59

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Solution

The third proportional to 1,872,428.06 and 4,034,104.59 is: 8,691,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,428.06 : 4,034,104.59 = 4,034,104.59 : x
  2. Step 2: Convert to fraction form
    1,872,428.06/4,034,104.59 = 4,034,104.59/x
  3. Step 3: Cross multiply
    1,872,428.06x = 4,034,104.59 × 4,034,104.59
  4. Step 4: Simplify right side
    1,872,428.06x = 16,273,999,873,314.85
  5. Step 5: Solve for x
    x = 16,273,999,873,314.85/1,872,428.06
  6. Step 6: Final answer
    x = 8,691,388.58

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.