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Finding the Third Proportional to 400,034 and 874,791

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Solution

The third proportional to 400,034 and 874,791 is: 1,912,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,034 : 874,791 = 874,791 : x
  2. Step 2: Convert to fraction form
    400,034/874,791 = 874,791/x
  3. Step 3: Cross multiply
    400,034x = 874,791 × 874,791
  4. Step 4: Simplify right side
    400,034x = 765,259,293,681
  5. Step 5: Solve for x
    x = 765,259,293,681/400,034
  6. Step 6: Final answer
    x = 1,912,985.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.