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Finding the Third Proportional to 163,693.50 and 361,803

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Solution

The third proportional to 163,693.50 and 361,803 is: 799,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,693.50 : 361,803 = 361,803 : x
  2. Step 2: Convert to fraction form
    163,693.50/361,803 = 361,803/x
  3. Step 3: Cross multiply
    163,693.50x = 361,803 × 361,803
  4. Step 4: Simplify right side
    163,693.50x = 130,901,410,809
  5. Step 5: Solve for x
    x = 130,901,410,809/163,693.50
  6. Step 6: Final answer
    x = 799,673.85

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.