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Finding the Third Proportional to 1,400,338.13 and 2,129,563.13

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Solution

The third proportional to 1,400,338.13 and 2,129,563.13 is: 3,238,531.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,338.13 : 2,129,563.13 = 2,129,563.13 : x
  2. Step 2: Convert to fraction form
    1,400,338.13/2,129,563.13 = 2,129,563.13/x
  3. Step 3: Cross multiply
    1,400,338.13x = 2,129,563.13 × 2,129,563.13
  4. Step 4: Simplify right side
    1,400,338.13x = 4,535,039,103,359.77
  5. Step 5: Solve for x
    x = 4,535,039,103,359.77/1,400,338.13
  6. Step 6: Final answer
    x = 3,238,531.48

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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.