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Finding the Third Proportional to 1,330,111.13 and 1,992,427.88

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Solution

The third proportional to 1,330,111.13 and 1,992,427.88 is: 2,984,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,111.13 : 1,992,427.88 = 1,992,427.88 : x
  2. Step 2: Convert to fraction form
    1,330,111.13/1,992,427.88 = 1,992,427.88/x
  3. Step 3: Cross multiply
    1,330,111.13x = 1,992,427.88 × 1,992,427.88
  4. Step 4: Simplify right side
    1,330,111.13x = 3,969,768,837,077.02
  5. Step 5: Solve for x
    x = 3,969,768,837,077.02/1,330,111.13
  6. Step 6: Final answer
    x = 2,984,539.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.