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Finding the Third Proportional to 718,082.25 and 1,555,840.13

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Solution

The third proportional to 718,082.25 and 1,555,840.13 is: 3,370,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,082.25 : 1,555,840.13 = 1,555,840.13 : x
  2. Step 2: Convert to fraction form
    718,082.25/1,555,840.13 = 1,555,840.13/x
  3. Step 3: Cross multiply
    718,082.25x = 1,555,840.13 × 1,555,840.13
  4. Step 4: Simplify right side
    718,082.25x = 2,420,638,494,560.02
  5. Step 5: Solve for x
    x = 2,420,638,494,560.02/718,082.25
  6. Step 6: Final answer
    x = 3,370,976.65

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.