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Finding the Third Proportional to 1,386,855 and 2,200,540.50

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Solution

The third proportional to 1,386,855 and 2,200,540.50 is: 3,491,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,855 : 2,200,540.50 = 2,200,540.50 : x
  2. Step 2: Convert to fraction form
    1,386,855/2,200,540.50 = 2,200,540.50/x
  3. Step 3: Cross multiply
    1,386,855x = 2,200,540.50 × 2,200,540.50
  4. Step 4: Simplify right side
    1,386,855x = 4,842,378,492,140.25
  5. Step 5: Solve for x
    x = 4,842,378,492,140.25/1,386,855
  6. Step 6: Final answer
    x = 3,491,625.65

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.