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Finding the Third Proportional to 238,390.25 and 360,015.50

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Solution

The third proportional to 238,390.25 and 360,015.50 is: 543,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,390.25 : 360,015.50 = 360,015.50 : x
  2. Step 2: Convert to fraction form
    238,390.25/360,015.50 = 360,015.50/x
  3. Step 3: Cross multiply
    238,390.25x = 360,015.50 × 360,015.50
  4. Step 4: Simplify right side
    238,390.25x = 129,611,160,240.25
  5. Step 5: Solve for x
    x = 129,611,160,240.25/238,390.25
  6. Step 6: Final answer
    x = 543,693.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.