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Finding the Third Proportional to 815,544 and 1,241,298

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Solution

The third proportional to 815,544 and 1,241,298 is: 1,889,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,544 : 1,241,298 = 1,241,298 : x
  2. Step 2: Convert to fraction form
    815,544/1,241,298 = 1,241,298/x
  3. Step 3: Cross multiply
    815,544x = 1,241,298 × 1,241,298
  4. Step 4: Simplify right side
    815,544x = 1,540,820,724,804
  5. Step 5: Solve for x
    x = 1,540,820,724,804/815,544
  6. Step 6: Final answer
    x = 1,889,316.49

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.