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Finding the Third Proportional to 183,918 and 396,859.50

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Solution

The third proportional to 183,918 and 396,859.50 is: 856,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,918 : 396,859.50 = 396,859.50 : x
  2. Step 2: Convert to fraction form
    183,918/396,859.50 = 396,859.50/x
  3. Step 3: Cross multiply
    183,918x = 396,859.50 × 396,859.50
  4. Step 4: Simplify right side
    183,918x = 157,497,462,740.25
  5. Step 5: Solve for x
    x = 157,497,462,740.25/183,918
  6. Step 6: Final answer
    x = 856,346.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.