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Finding the Third Proportional to 169,228.50 and 371,667

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Solution

The third proportional to 169,228.50 and 371,667 is: 816,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,228.50 : 371,667 = 371,667 : x
  2. Step 2: Convert to fraction form
    169,228.50/371,667 = 371,667/x
  3. Step 3: Cross multiply
    169,228.50x = 371,667 × 371,667
  4. Step 4: Simplify right side
    169,228.50x = 138,136,358,889
  5. Step 5: Solve for x
    x = 138,136,358,889/169,228.50
  6. Step 6: Final answer
    x = 816,271.25

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.