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Finding the Third Proportional to 84,582.75 and 185,910

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Solution

The third proportional to 84,582.75 and 185,910 is: 408,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,582.75 : 185,910 = 185,910 : x
  2. Step 2: Convert to fraction form
    84,582.75/185,910 = 185,910/x
  3. Step 3: Cross multiply
    84,582.75x = 185,910 × 185,910
  4. Step 4: Simplify right side
    84,582.75x = 34,562,528,100
  5. Step 5: Solve for x
    x = 34,562,528,100/84,582.75
  6. Step 6: Final answer
    x = 408,623.84

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.