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Finding the Third Proportional to 163,680.75 and 357,797.25

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Solution

The third proportional to 163,680.75 and 357,797.25 is: 782,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,680.75 : 357,797.25 = 357,797.25 : x
  2. Step 2: Convert to fraction form
    163,680.75/357,797.25 = 357,797.25/x
  3. Step 3: Cross multiply
    163,680.75x = 357,797.25 × 357,797.25
  4. Step 4: Simplify right side
    163,680.75x = 128,018,872,107.56
  5. Step 5: Solve for x
    x = 128,018,872,107.56/163,680.75
  6. Step 6: Final answer
    x = 782,125.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.