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Finding the Third Proportional to 169,220.25 and 360,958.50

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Solution

The third proportional to 169,220.25 and 360,958.50 is: 769,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,220.25 : 360,958.50 = 360,958.50 : x
  2. Step 2: Convert to fraction form
    169,220.25/360,958.50 = 360,958.50/x
  3. Step 3: Cross multiply
    169,220.25x = 360,958.50 × 360,958.50
  4. Step 4: Simplify right side
    169,220.25x = 130,291,038,722.25
  5. Step 5: Solve for x
    x = 130,291,038,722.25/169,220.25
  6. Step 6: Final answer
    x = 769,949.45

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.