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Finding the Third Proportional to 188,775 and 285,580.50

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Solution

The third proportional to 188,775 and 285,580.50 is: 432,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,775 : 285,580.50 = 285,580.50 : x
  2. Step 2: Convert to fraction form
    188,775/285,580.50 = 285,580.50/x
  3. Step 3: Cross multiply
    188,775x = 285,580.50 × 285,580.50
  4. Step 4: Simplify right side
    188,775x = 81,556,221,980.25
  5. Step 5: Solve for x
    x = 81,556,221,980.25/188,775
  6. Step 6: Final answer
    x = 432,028.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.