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Finding the Third Proportional to 343,173 and 521,756

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Solution

The third proportional to 343,173 and 521,756 is: 793,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,173 : 521,756 = 521,756 : x
  2. Step 2: Convert to fraction form
    343,173/521,756 = 521,756/x
  3. Step 3: Cross multiply
    343,173x = 521,756 × 521,756
  4. Step 4: Simplify right side
    343,173x = 272,229,323,536
  5. Step 5: Solve for x
    x = 272,229,323,536/343,173
  6. Step 6: Final answer
    x = 793,271.39

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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.