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Finding the Third Proportional to 163,260 and 335,304

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Solution

The third proportional to 163,260 and 335,304 is: 688,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,260 : 335,304 = 335,304 : x
  2. Step 2: Convert to fraction form
    163,260/335,304 = 335,304/x
  3. Step 3: Cross multiply
    163,260x = 335,304 × 335,304
  4. Step 4: Simplify right side
    163,260x = 112,428,772,416
  5. Step 5: Solve for x
    x = 112,428,772,416/163,260
  6. Step 6: Final answer
    x = 688,648.61

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.