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Finding the Third Proportional to 76,290.75 and 166,155.75

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Solution

The third proportional to 76,290.75 and 166,155.75 is: 361,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,290.75 : 166,155.75 = 166,155.75 : x
  2. Step 2: Convert to fraction form
    76,290.75/166,155.75 = 166,155.75/x
  3. Step 3: Cross multiply
    76,290.75x = 166,155.75 × 166,155.75
  4. Step 4: Simplify right side
    76,290.75x = 27,607,733,258.06
  5. Step 5: Solve for x
    x = 27,607,733,258.06/76,290.75
  6. Step 6: Final answer
    x = 361,875.24

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.