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Finding the Third Proportional to 1,335,755.81 and 2,069,608.22

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Solution

The third proportional to 1,335,755.81 and 2,069,608.22 is: 3,206,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,755.81 : 2,069,608.22 = 2,069,608.22 : x
  2. Step 2: Convert to fraction form
    1,335,755.81/2,069,608.22 = 2,069,608.22/x
  3. Step 3: Cross multiply
    1,335,755.81x = 2,069,608.22 × 2,069,608.22
  4. Step 4: Simplify right side
    1,335,755.81x = 4,283,278,179,117.55
  5. Step 5: Solve for x
    x = 4,283,278,179,117.55/1,335,755.81
  6. Step 6: Final answer
    x = 3,206,632.63

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.