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Finding the Third Proportional to 2,155,240.13 and 3,214,179

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Solution

The third proportional to 2,155,240.13 and 3,214,179 is: 4,793,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,240.13 : 3,214,179 = 3,214,179 : x
  2. Step 2: Convert to fraction form
    2,155,240.13/3,214,179 = 3,214,179/x
  3. Step 3: Cross multiply
    2,155,240.13x = 3,214,179 × 3,214,179
  4. Step 4: Simplify right side
    2,155,240.13x = 10,330,946,644,041
  5. Step 5: Solve for x
    x = 10,330,946,644,041/2,155,240.13
  6. Step 6: Final answer
    x = 4,793,408.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.