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Finding the Third Proportional to 163,340.25 and 351,705

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Solution

The third proportional to 163,340.25 and 351,705 is: 757,292.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,340.25 : 351,705 = 351,705 : x
  2. Step 2: Convert to fraction form
    163,340.25/351,705 = 351,705/x
  3. Step 3: Cross multiply
    163,340.25x = 351,705 × 351,705
  4. Step 4: Simplify right side
    163,340.25x = 123,696,407,025
  5. Step 5: Solve for x
    x = 123,696,407,025/163,340.25
  6. Step 6: Final answer
    x = 757,292.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.