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Finding the Third Proportional to 1,866,511.69 and 2,838,732.75

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Solution

The third proportional to 1,866,511.69 and 2,838,732.75 is: 4,317,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,511.69 : 2,838,732.75 = 2,838,732.75 : x
  2. Step 2: Convert to fraction form
    1,866,511.69/2,838,732.75 = 2,838,732.75/x
  3. Step 3: Cross multiply
    1,866,511.69x = 2,838,732.75 × 2,838,732.75
  4. Step 4: Simplify right side
    1,866,511.69x = 8,058,403,625,922.56
  5. Step 5: Solve for x
    x = 8,058,403,625,922.56/1,866,511.69
  6. Step 6: Final answer
    x = 4,317,360.39

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.