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Finding the Third Proportional to 163,304 and 356,560

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Solution

The third proportional to 163,304 and 356,560 is: 778,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,304 : 356,560 = 356,560 : x
  2. Step 2: Convert to fraction form
    163,304/356,560 = 356,560/x
  3. Step 3: Cross multiply
    163,304x = 356,560 × 356,560
  4. Step 4: Simplify right side
    163,304x = 127,135,033,600
  5. Step 5: Solve for x
    x = 127,135,033,600/163,304
  6. Step 6: Final answer
    x = 778,517.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.