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Finding the Third Proportional to 681,603 and 1,433,715

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Solution

The third proportional to 681,603 and 1,433,715 is: 3,015,741.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,603 : 1,433,715 = 1,433,715 : x
  2. Step 2: Convert to fraction form
    681,603/1,433,715 = 1,433,715/x
  3. Step 3: Cross multiply
    681,603x = 1,433,715 × 1,433,715
  4. Step 4: Simplify right side
    681,603x = 2,055,538,701,225
  5. Step 5: Solve for x
    x = 2,055,538,701,225/681,603
  6. Step 6: Final answer
    x = 3,015,741.86

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.