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Finding the Third Proportional to 75,957.19 and 163,690

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Solution

The third proportional to 75,957.19 and 163,690 is: 352,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,957.19 : 163,690 = 163,690 : x
  2. Step 2: Convert to fraction form
    75,957.19/163,690 = 163,690/x
  3. Step 3: Cross multiply
    75,957.19x = 163,690 × 163,690
  4. Step 4: Simplify right side
    75,957.19x = 26,794,416,100
  5. Step 5: Solve for x
    x = 26,794,416,100/75,957.19
  6. Step 6: Final answer
    x = 352,756.82

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.