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Finding the Third Proportional to 681,315 and 1,433,175

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Solution

The third proportional to 681,315 and 1,433,175 is: 3,014,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,315 : 1,433,175 = 1,433,175 : x
  2. Step 2: Convert to fraction form
    681,315/1,433,175 = 1,433,175/x
  3. Step 3: Cross multiply
    681,315x = 1,433,175 × 1,433,175
  4. Step 4: Simplify right side
    681,315x = 2,053,990,580,625
  5. Step 5: Solve for x
    x = 2,053,990,580,625/681,315
  6. Step 6: Final answer
    x = 3,014,744.40

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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.