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Finding the Third Proportional to 2,139,453 and 3,143,701.13

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Solution

The third proportional to 2,139,453 and 3,143,701.13 is: 4,619,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,453 : 3,143,701.13 = 3,143,701.13 : x
  2. Step 2: Convert to fraction form
    2,139,453/3,143,701.13 = 3,143,701.13/x
  3. Step 3: Cross multiply
    2,139,453x = 3,143,701.13 × 3,143,701.13
  4. Step 4: Simplify right side
    2,139,453x = 9,882,856,763,326.27
  5. Step 5: Solve for x
    x = 9,882,856,763,326.27/2,139,453
  6. Step 6: Final answer
    x = 4,619,338.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.