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Finding the Third Proportional to 174,768 and 372,420

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Solution

The third proportional to 174,768 and 372,420 is: 793,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,768 : 372,420 = 372,420 : x
  2. Step 2: Convert to fraction form
    174,768/372,420 = 372,420/x
  3. Step 3: Cross multiply
    174,768x = 372,420 × 372,420
  4. Step 4: Simplify right side
    174,768x = 138,696,656,400
  5. Step 5: Solve for x
    x = 138,696,656,400/174,768
  6. Step 6: Final answer
    x = 793,604.41

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.