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Finding the Third Proportional to 254,378 and 552,494

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Solution

The third proportional to 254,378 and 552,494 is: 1,199,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,378 : 552,494 = 552,494 : x
  2. Step 2: Convert to fraction form
    254,378/552,494 = 552,494/x
  3. Step 3: Cross multiply
    254,378x = 552,494 × 552,494
  4. Step 4: Simplify right side
    254,378x = 305,249,620,036
  5. Step 5: Solve for x
    x = 305,249,620,036/254,378
  6. Step 6: Final answer
    x = 1,199,984.35

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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.