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Finding the Third Proportional to 170,790 and 365,227.50

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Solution

The third proportional to 170,790 and 365,227.50 is: 781,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,790 : 365,227.50 = 365,227.50 : x
  2. Step 2: Convert to fraction form
    170,790/365,227.50 = 365,227.50/x
  3. Step 3: Cross multiply
    170,790x = 365,227.50 × 365,227.50
  4. Step 4: Simplify right side
    170,790x = 133,391,126,756.25
  5. Step 5: Solve for x
    x = 133,391,126,756.25/170,790
  6. Step 6: Final answer
    x = 781,024.22

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.