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Finding the Third Proportional to 163,028 and 343,782

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Solution

The third proportional to 163,028 and 343,782 is: 724,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,028 : 343,782 = 343,782 : x
  2. Step 2: Convert to fraction form
    163,028/343,782 = 343,782/x
  3. Step 3: Cross multiply
    163,028x = 343,782 × 343,782
  4. Step 4: Simplify right side
    163,028x = 118,186,063,524
  5. Step 5: Solve for x
    x = 118,186,063,524/163,028
  6. Step 6: Final answer
    x = 724,943.34

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.