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Finding the Third Proportional to 163,478.25 and 351,150.19

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Solution

The third proportional to 163,478.25 and 351,150.19 is: 754,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,478.25 : 351,150.19 = 351,150.19 : x
  2. Step 2: Convert to fraction form
    163,478.25/351,150.19 = 351,150.19/x
  3. Step 3: Cross multiply
    163,478.25x = 351,150.19 × 351,150.19
  4. Step 4: Simplify right side
    163,478.25x = 123,306,454,181.29
  5. Step 5: Solve for x
    x = 123,306,454,181.29/163,478.25
  6. Step 6: Final answer
    x = 754,268.25

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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.